The factors of the number 731,416,455 are: 1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 43, 45, 55, 63, 77, 99, 105, 129, 165, 215, 231, 301, 315, 385, 387, 473, 495, 645, 693, 903, 1155, 1419, 1505, 1935, 2365, 2709, 3311, 3465, 4257, 4515, 4909, 7095, 9933, 13545, 14727, 16555, 21285, 24545, 29799, 34363, 44181, 49665, 53999, 73635, 103089, 148995, 161997, 171815, 211087, 220905, 269995, 309267, 377993, 485991, 515445, 633261, 809985, 1055435, 1133979, 1477609, 1546335, 1889965, 1899783, 2321957, 2429955, 3166305, 3401937, 4432827, 5669895, 6965871, 7388045, 9498915, 11609785, 13298481, 16253699, 17009685, 20897613, 22164135, 34829355, 48761097, 66492405, 81268495, 104488065, 146283291, 243805485, 731416455.
If you add them up, you will get the total of 1,617,707,520.