8385975

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 16790592

約数和(自身を除く): 8404617

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 47, 61, 65, 75, 117, 141, 183, 195, 225, 235, 305, 325, 423, 549, 585, 611, 705, 793, 915, 975, 1175, 1525, 1833, 2115, 2379, 2745, 2867, 2925, 3055, 3525, 3965, 4575, 5499, 7137, 8601, 9165, 10575, 11895, 13725, 14335, 15275, 19825, 25803, 27495, 35685, 37271, 43005, 45825, 59475, 71675, 111813, 129015, 137475, 178425, 186355, 215025, 335439, 559065, 645075, 931775, 1677195, 2795325, 8385975]

約数ペア:

[(1, 8385975), (3, 2795325), (5, 1677195), (9, 931775), (13, 645075), (15, 559065), (25, 335439), (39, 215025), (45, 186355), (47, 178425), (61, 137475), (65, 129015), (75, 111813), (117, 71675), (141, 59475), (183, 45825), (195, 43005), (225, 37271), (235, 35685), (305, 27495), (325, 25803), (423, 19825), (549, 15275), (585, 14335), (611, 13725), (705, 11895), (793, 10575), (915, 9165), (975, 8601), (1175, 7137), (1525, 5499), (1833, 4575), (2115, 3965), (2379, 3525), (2745, 3055), (2867, 2925)]