12911577

素因数分解:

$3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3121}}^1$

素因数の和:3328

約数の個数: 16

約数和(自身を含む): 19780992

約数和(自身を除く): 6869415

約数列:

[1, 3, 7, 21, 197, 591, 1379, 3121, 4137, 9363, 21847, 65541, 614837, 1844511, 4303859, 12911577]

約数ペア:

[(1, 12911577), (3, 4303859), (7, 1844511), (21, 614837), (197, 65541), (591, 21847), (1379, 9363), (3121, 4137)]