2171533

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{487}}^1$

素因数の和:521

約数の個数: 16

約数和(自身を含む): 2732800

約数和(自身を除く): 561267

約数列:

[1, 7, 13, 49, 91, 343, 487, 637, 3409, 4459, 6331, 23863, 44317, 167041, 310219, 2171533]

約数ペア:

[(1, 2171533), (7, 310219), (13, 167041), (49, 44317), (91, 23863), (343, 6331), (487, 4459), (637, 3409)]