1252802619

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{195781}}^1$

素因数の和:195872

約数の個数: 20

約数和(自身を含む): 1895169760

約数和(自身を除く): 642367141

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 6399, 195781, 587343, 1762029, 5286087, 15466699, 15858261, 46400097, 139200291, 417600873, 1252802619]

約数ペア:

[(1, 1252802619), (3, 417600873), (9, 139200291), (27, 46400097), (79, 15858261), (81, 15466699), (237, 5286087), (711, 1762029), (2133, 587343), (6399, 195781)]