13239531

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{2069}}^1$

素因数の和:2160

約数の個数: 20

約数和(自身を含む): 20037600

約数和(自身を除く): 6798069

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2069, 2133, 6207, 6399, 18621, 55863, 163451, 167589, 490353, 1471059, 4413177, 13239531]

約数ペア:

[(1, 13239531), (3, 4413177), (9, 1471059), (27, 490353), (79, 167589), (81, 163451), (237, 55863), (711, 18621), (2069, 6399), (2133, 6207)]