123355953

素因数分解:

$3^4\times 7^1\times {\mathrm{217559}}^1$

素因数の和:217578

約数の個数: 20

約数和(自身を含む): 210598080

約数和(自身を除く): 87242127

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 217559, 652677, 1522913, 1958031, 4568739, 5874093, 13706217, 17622279, 41118651, 123355953]

約数ペア:

[(1, 123355953), (3, 41118651), (7, 17622279), (9, 13706217), (21, 5874093), (27, 4568739), (63, 1958031), (81, 1522913), (189, 652677), (567, 217559)]