139284215

素因数分解:

$5^1\times 7^2\times {\mathrm{751}}^1\times {\mathrm{757}}^1$

素因数の和:1527

約数の個数: 24

約数和(自身を含む): 194945472

約数和(自身を除く): 55661257

約数列:

[1, 5, 7, 35, 49, 245, 751, 757, 3755, 3785, 5257, 5299, 26285, 26495, 36799, 37093, 183995, 185465, 568507, 2842535, 3979549, 19897745, 27856843, 139284215]

約数ペア:

[(1, 139284215), (5, 27856843), (7, 19897745), (35, 3979549), (49, 2842535), (245, 568507), (751, 185465), (757, 183995), (3755, 37093), (3785, 36799), (5257, 26495), (5299, 26285)]