17809421

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1453}}^1$

素因数の和:1580

約数の個数: 16

約数和(自身を含む): 21775104

約数和(自身を除く): 3965683

約数列:

[1, 7, 17, 103, 119, 721, 1453, 1751, 10171, 12257, 24701, 149659, 172907, 1047613, 2544203, 17809421]

約数ペア:

[(1, 17809421), (7, 2544203), (17, 1047613), (103, 172907), (119, 149659), (721, 24701), (1453, 12257), (1751, 10171)]