261924327

素因数分解:

$3^3\times 7^1\times {\mathrm{1385843}}^1$

素因数の和:1385859

約数の個数: 16

約数和(自身を含む): 443470080

約数和(自身を除く): 181545753

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1385843, 4157529, 9700901, 12472587, 29102703, 37417761, 87308109, 261924327]

約数ペア:

[(1, 261924327), (3, 87308109), (7, 37417761), (9, 29102703), (21, 12472587), (27, 9700901), (63, 4157529), (189, 1385843)]