15856981

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:568

約数の個数: 16

約数和(自身を含む): 18726400

約数和(自身を除く): 2869419

約数列:

[1, 7, 43, 139, 301, 379, 973, 2653, 5977, 16297, 41839, 52681, 114079, 368767, 2265283, 15856981]

約数ペア:

[(1, 15856981), (7, 2265283), (43, 368767), (139, 114079), (301, 52681), (379, 41839), (973, 16297), (2653, 5977)]