1391438721

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{40639}}^1$

素因数の和:40856

約数の個数: 16

約数和(自身を含む): 1890247680

約数和(自身を除く): 498808959

約数列:

[1, 3, 101, 113, 303, 339, 11413, 34239, 40639, 121917, 4104539, 4592207, 12313617, 13776621, 463812907, 1391438721]

約数ペア:

[(1, 1391438721), (3, 463812907), (101, 13776621), (113, 12313617), (303, 4592207), (339, 4104539), (11413, 121917), (34239, 40639)]