The factors of the number 64,743,735 are: 1, 3, 5, 7, 15, 17, 19, 21, 23, 35, 51, 57, 69, 83, 85, 95, 105, 115, 119, 133, 161, 249, 255, 285, 323, 345, 357, 391, 399, 415, 437, 483, 581, 595, 665, 805, 969, 1173, 1245, 1311, 1411, 1577, 1615, 1743, 1785, 1909, 1955, 1995, 2185, 2261, 2415, 2737, 2905, 3059, 4233, 4731, 4845, 5727, 5865, 6555, 6783, 7055, 7429, 7885, 8211, 8715, 9177, 9545, 9877, 11039, 11305, 13363, 13685, 15295, 21165, 22287, 23655, 26809, 28635, 29631, 32453, 33117, 33915, 36271, 37145, 40089, 41055, 45885, 49385, 52003, 55195, 66815, 80427, 97359, 108813, 111435, 134045, 148155, 156009, 162265, 165585, 181355, 187663, 200445, 227171, 253897, 260015, 402135, 486795, 544065, 562989, 616607, 681513, 761691, 780045, 938315, 1135855, 1269485, 1849821, 2814945, 3083035, 3407565, 3808455, 4316249, 9249105, 12948747, 21581245, 64743735.
If you add them up, you will get the total of 139,345,920.