87211711

素因数分解:

${\mathrm{31}}^2\times {\mathrm{151}}^1\times {\mathrm{601}}^1$

素因数の和:814

約数の個数: 12

約数和(自身を含む): 90863472

約数和(自身を除く): 3651761

約数列:

[1, 31, 151, 601, 961, 4681, 18631, 90751, 145111, 577561, 2813281, 87211711]

約数ペア:

[(1, 87211711), (31, 2813281), (151, 577561), (601, 145111), (961, 90751), (4681, 18631)]