245718123

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{220771}}^1$

素因数の和:220834

約数の個数: 16

約数和(自身を含む): 381494016

約数和(自身を除く): 135775893

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 220771, 662313, 1545397, 4636191, 11700863, 35102589, 81906041, 245718123]

約数ペア:

[(1, 245718123), (3, 81906041), (7, 35102589), (21, 11700863), (53, 4636191), (159, 1545397), (371, 662313), (1113, 220771)]