1639860117

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{141209}}^1$

素因数の和:141305

約数の個数: 24

約数和(自身を含む): 2575670400

約数和(自身を除く): 935810283

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 553, 1659, 3871, 11613, 141209, 423627, 988463, 2965389, 6919241, 11155511, 20757723, 33466533, 78088577, 234265731, 546620039, 1639860117]

約数ペア:

[(1, 1639860117), (3, 546620039), (7, 234265731), (21, 78088577), (49, 33466533), (79, 20757723), (147, 11155511), (237, 6919241), (553, 2965389), (1659, 988463), (3871, 423627), (11613, 141209)]