331359217

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{218143}}^1$

素因数の和:218188

約数の個数: 12

約数和(自身を含む): 397894656

約数和(自身を除く): 66535439

約数列:

[1, 7, 31, 49, 217, 1519, 218143, 1527001, 6762433, 10689007, 47337031, 331359217]

約数ペア:

[(1, 331359217), (7, 47337031), (31, 10689007), (49, 6762433), (217, 1527001), (1519, 218143)]