72215521

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{3191}}^1$

素因数の和:3312

約数の個数: 16

約数和(自身を含む): 85494528

約数和(自身を除く): 13279007

約数列:

[1, 7, 53, 61, 371, 427, 3191, 3233, 22337, 22631, 169123, 194651, 1183861, 1362557, 10316503, 72215521]

約数ペア:

[(1, 72215521), (7, 10316503), (53, 1362557), (61, 1183861), (371, 194651), (427, 169123), (3191, 22631), (3233, 22337)]