331370389

素因数分解:

$7^2\times {\mathrm{331}}^1\times {\mathrm{20431}}^1$

素因数の和:20776

約数の個数: 12

約数和(自身を含む): 386655168

約数和(自身を除く): 55284779

約数列:

[1, 7, 49, 331, 2317, 16219, 20431, 143017, 1001119, 6762661, 47338627, 331370389]

約数ペア:

[(1, 331370389), (7, 47338627), (49, 6762661), (331, 1001119), (2317, 143017), (16219, 20431)]