319563839

素因数分解:

$7^3\times {\mathrm{421}}^1\times {\mathrm{2213}}^1$

素因数の和:2655

約数の個数: 16

約数和(自身を含む): 373723200

約数和(自身を除く): 54159361

約数列:

[1, 7, 49, 343, 421, 2213, 2947, 15491, 20629, 108437, 144403, 759059, 931673, 6521711, 45651977, 319563839]

約数ペア:

[(1, 319563839), (7, 45651977), (49, 6521711), (343, 931673), (421, 759059), (2213, 144403), (2947, 108437), (15491, 20629)]