82775475

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 155712752

約数和(自身を除く): 72937277

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 61, 75, 111, 163, 183, 185, 225, 305, 333, 489, 549, 555, 815, 915, 925, 1467, 1525, 1665, 2257, 2445, 2745, 2775, 4075, 4575, 6031, 6771, 7335, 8325, 9943, 11285, 12225, 13725, 18093, 20313, 29829, 30155, 33855, 36675, 49715, 54279, 56425, 89487, 90465, 101565, 149145, 150775, 169275, 248575, 271395, 367891, 447435, 452325, 507825, 745725, 1103673, 1356975, 1839455, 2237175, 3311019, 5518365, 9197275, 16555095, 27591825, 82775475]

約数ペア:

[(1, 82775475), (3, 27591825), (5, 16555095), (9, 9197275), (15, 5518365), (25, 3311019), (37, 2237175), (45, 1839455), (61, 1356975), (75, 1103673), (111, 745725), (163, 507825), (183, 452325), (185, 447435), (225, 367891), (305, 271395), (333, 248575), (489, 169275), (549, 150775), (555, 149145), (815, 101565), (915, 90465), (925, 89487), (1467, 56425), (1525, 54279), (1665, 49715), (2257, 36675), (2445, 33855), (2745, 30155), (2775, 29829), (4075, 20313), (4575, 18093), (6031, 13725), (6771, 12225), (7335, 11285), (8325, 9943)]