15293475

素因数分解:

$3^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 28470400

約数和(自身を除く): 13176925

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 139, 163, 225, 417, 489, 675, 695, 815, 1251, 1467, 2085, 2445, 3475, 3753, 4075, 4401, 6255, 7335, 10425, 12225, 18765, 22005, 22657, 31275, 36675, 67971, 93825, 110025, 113285, 203913, 339855, 566425, 611739, 1019565, 1699275, 3058695, 5097825, 15293475]

約数ペア:

[(1, 15293475), (3, 5097825), (5, 3058695), (9, 1699275), (15, 1019565), (25, 611739), (27, 566425), (45, 339855), (75, 203913), (135, 113285), (139, 110025), (163, 93825), (225, 67971), (417, 36675), (489, 31275), (675, 22657), (695, 22005), (815, 18765), (1251, 12225), (1467, 10425), (2085, 7335), (2445, 6255), (3475, 4401), (3753, 4075)]