128105325

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^2\times {\mathrm{677}}^1$

素因数の和:751

約数の個数: 54

約数和(自身を含む): 237986814

約数和(自身を除く): 109881489

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 261, 435, 677, 725, 841, 1305, 2031, 2175, 2523, 3385, 4205, 6093, 6525, 7569, 10155, 12615, 16925, 19633, 21025, 30465, 37845, 50775, 58899, 63075, 98165, 152325, 176697, 189225, 294495, 490825, 569357, 883485, 1472475, 1708071, 2846785, 4417425, 5124213, 8540355, 14233925, 25621065, 42701775, 128105325]

約数ペア:

[(1, 128105325), (3, 42701775), (5, 25621065), (9, 14233925), (15, 8540355), (25, 5124213), (29, 4417425), (45, 2846785), (75, 1708071), (87, 1472475), (145, 883485), (225, 569357), (261, 490825), (435, 294495), (677, 189225), (725, 176697), (841, 152325), (1305, 98165), (2031, 63075), (2175, 58899), (2523, 50775), (3385, 37845), (4205, 30465), (6093, 21025), (6525, 19633), (7569, 16925), (10155, 12615)]