31476081

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^2\times {\mathrm{181}}^1$

素因数の和:231

約数の個数: 48

約数和(自身を含む): 53289600

約数和(自身を除く): 21813519

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 169, 181, 273, 343, 507, 543, 637, 1029, 1183, 1267, 1911, 2353, 3549, 3801, 4459, 7059, 8281, 8869, 13377, 16471, 24843, 26607, 30589, 49413, 57967, 62083, 91767, 115297, 173901, 186249, 214123, 345891, 642369, 807079, 1498861, 2421237, 4496583, 10492027, 31476081]

約数ペア:

[(1, 31476081), (3, 10492027), (7, 4496583), (13, 2421237), (21, 1498861), (39, 807079), (49, 642369), (91, 345891), (147, 214123), (169, 186249), (181, 173901), (273, 115297), (343, 91767), (507, 62083), (543, 57967), (637, 49413), (1029, 30589), (1183, 26607), (1267, 24843), (1911, 16471), (2353, 13377), (3549, 8869), (3801, 8281), (4459, 7059)]