289072311

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{123377}}^1$

素因数の和:123462

約数の個数: 16

約数和(自身を含む): 426394368

約数和(自身を除く): 137322057

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 123377, 370131, 1357147, 4071441, 8759767, 26279301, 96357437, 289072311]

約数ペア:

[(1, 289072311), (3, 96357437), (11, 26279301), (33, 8759767), (71, 4071441), (213, 1357147), (781, 370131), (2343, 123377)]