31480425

素因数分解:

$3^2\times 5^2\times {\mathrm{181}}^1\times {\mathrm{773}}^1$

素因数の和:970

約数の個数: 36

約数和(自身を含む): 56769804

約数和(自身を除く): 25289379

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 181, 225, 543, 773, 905, 1629, 2319, 2715, 3865, 4525, 6957, 8145, 11595, 13575, 19325, 34785, 40725, 57975, 139913, 173925, 419739, 699565, 1259217, 2098695, 3497825, 6296085, 10493475, 31480425]

約数ペア:

[(1, 31480425), (3, 10493475), (5, 6296085), (9, 3497825), (15, 2098695), (25, 1259217), (45, 699565), (75, 419739), (181, 173925), (225, 139913), (543, 57975), (773, 40725), (905, 34785), (1629, 19325), (2319, 13575), (2715, 11595), (3865, 8145), (4525, 6957)]