The factors of the number 3,543,540 are: 1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 20, 21, 22, 26, 28, 30, 33, 35, 39, 42, 44, 52, 55, 59, 60, 65, 66, 70, 77, 78, 84, 91, 105, 110, 118, 130, 132, 140, 143, 154, 156, 165, 177, 182, 195, 210, 220, 231, 236, 260, 273, 286, 295, 308, 330, 354, 364, 385, 390, 413, 420, 429, 455, 462, 546, 572, 590, 649, 660, 708, 715, 767, 770, 780, 826, 858, 885, 910, 924, 1001, 1092, 1155, 1180, 1239, 1298, 1365, 1430, 1534, 1540, 1652, 1716, 1770, 1820, 1947, 2002, 2065, 2145, 2301, 2310, 2478, 2596, 2730, 2860, 3003, 3068, 3245, 3540, 3835, 3894, 4004, 4130, 4290, 4543, 4602, 4620, 4956, 5005, 5369, 5460, 6006, 6195, 6490, 7670, 7788, 8260, 8437, 8580, 9086, 9204, 9735, 10010, 10738, 11505, 12012, 12390, 12980, 13629, 15015, 15340, 16107, 16874, 18172, 19470, 20020, 21476, 22715, 23010, 24780, 25311, 26845, 27258, 30030, 32214, 33748, 38940, 42185, 45430, 46020, 50622, 53690, 54516, 59059, 60060, 64428, 68145, 80535, 84370, 90860, 101244, 107380, 118118, 126555, 136290, 161070, 168740, 177177, 236236, 253110, 272580, 295295, 322140, 354354, 506220, 590590, 708708, 885885, 1181180, 1771770, 3543540.
If you add them up, you will get the total of 13,547,520.