210819217

素因数分解:

$7^2\times {\mathrm{131}}^1\times {\mathrm{32843}}^1$

素因数の和:32988

約数の個数: 12

約数和(自身を含む): 247118256

約数和(自身を除く): 36299039

約数列:

[1, 7, 49, 131, 917, 6419, 32843, 229901, 1609307, 4302433, 30117031, 210819217]

約数ペア:

[(1, 210819217), (7, 30117031), (49, 4302433), (131, 1609307), (917, 229901), (6419, 32843)]