239351679

素因数分解:

$3^4\times 7^1\times {\mathrm{422137}}^1$

素因数の和:422156

約数の個数: 20

約数和(自身を含む): 408629584

約数和(自身を除く): 169277905

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 422137, 1266411, 2954959, 3799233, 8864877, 11397699, 26594631, 34193097, 79783893, 239351679]

約数ペア:

[(1, 239351679), (3, 79783893), (7, 34193097), (9, 26594631), (21, 11397699), (27, 8864877), (63, 3799233), (81, 2954959), (189, 1266411), (567, 422137)]