31398185

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 46781952

約数和(自身を除く): 15383767

約数列:

[1, 5, 7, 13, 35, 65, 91, 151, 455, 457, 755, 1057, 1963, 2285, 3199, 5285, 5941, 9815, 13741, 15995, 29705, 41587, 68705, 69007, 207935, 345035, 483049, 897091, 2415245, 4485455, 6279637, 31398185]

約数ペア:

[(1, 31398185), (5, 6279637), (7, 4485455), (13, 2415245), (35, 897091), (65, 483049), (91, 345035), (151, 207935), (455, 69007), (457, 68705), (755, 41587), (1057, 29705), (1963, 15995), (2285, 13741), (3199, 9815), (5285, 5941)]