68495721

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{31667}}^1$

素因数の和:31780

約数の個数: 16

約数和(自身を含む): 105391104

約数和(自身を除く): 36895383

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 31667, 95001, 221669, 665007, 3261701, 9785103, 22831907, 68495721]

約数ペア:

[(1, 68495721), (3, 22831907), (7, 9785103), (21, 3261701), (103, 665007), (309, 221669), (721, 95001), (2163, 31667)]