289761277

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1\times {\mathrm{1597}}^1$

素因数の和:2448

約数の個数: 16

約数和(自身を含む): 331016112

約数和(自身を除く): 41254835

約数列:

[1, 13, 17, 221, 821, 1597, 10673, 13957, 20761, 27149, 181441, 352937, 1311137, 17044781, 22289329, 289761277]

約数ペア:

[(1, 289761277), (13, 22289329), (17, 17044781), (221, 1311137), (821, 352937), (1597, 181441), (10673, 27149), (13957, 20761)]