261574191

素因数分解:

$3^5\times {\mathrm{839}}^1\times {\mathrm{1283}}^1$

素因数の和:2137

約数の個数: 24

約数和(自身を含む): 392595840

約数和(自身を除く): 131021649

約数列:

[1, 3, 9, 27, 81, 243, 839, 1283, 2517, 3849, 7551, 11547, 22653, 34641, 67959, 103923, 203877, 311769, 1076437, 3229311, 9687933, 29063799, 87191397, 261574191]

約数ペア:

[(1, 261574191), (3, 87191397), (9, 29063799), (27, 9687933), (81, 3229311), (243, 1076437), (839, 311769), (1283, 203877), (2517, 103923), (3849, 67959), (7551, 34641), (11547, 22653)]