218942721

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{397}}^1\times {\mathrm{2113}}^1$

素因数の和:2545

約数の個数: 24

約数和(自身を含む): 328135080

約数和(自身を除く): 109192359

約数列:

[1, 3, 9, 29, 87, 261, 397, 1191, 2113, 3573, 6339, 11513, 19017, 34539, 61277, 103617, 183831, 551493, 838861, 2516583, 7549749, 24326969, 72980907, 218942721]

約数ペア:

[(1, 218942721), (3, 72980907), (9, 24326969), (29, 7549749), (87, 2516583), (261, 838861), (397, 551493), (1191, 183831), (2113, 103617), (3573, 61277), (6339, 34539), (11513, 19017)]