128839239

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{569}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 188806800

約数和(自身を除く): 59967561

約数列:

[1, 3, 9, 139, 181, 417, 543, 569, 1251, 1629, 1707, 5121, 25159, 75477, 79091, 102989, 226431, 237273, 308967, 711819, 926901, 14315471, 42946413, 128839239]

約数ペア:

[(1, 128839239), (3, 42946413), (9, 14315471), (139, 926901), (181, 711819), (417, 308967), (543, 237273), (569, 226431), (1251, 102989), (1629, 79091), (1707, 75477), (5121, 25159)]