204512679

素因数分解:

$3^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{7937}}^1$

素因数の和:8359

約数の個数: 24

約数和(自身を含む): 338476320

約数和(自身を除く): 133963641

約数列:

[1, 3, 7, 9, 21, 63, 409, 1227, 2863, 3681, 7937, 8589, 23811, 25767, 55559, 71433, 166677, 500031, 3246233, 9738699, 22723631, 29216097, 68170893, 204512679]

約数ペア:

[(1, 204512679), (3, 68170893), (7, 29216097), (9, 22723631), (21, 9738699), (63, 3246233), (409, 500031), (1227, 166677), (2863, 71433), (3681, 55559), (7937, 25767), (8589, 23811)]