12746721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1549}}^1$

素因数の和:1776

約数の個数: 16

約数和(自身を含む): 18401600

約数和(自身を除く): 5654879

約数列:

[1, 3, 13, 39, 211, 633, 1549, 2743, 4647, 8229, 20137, 60411, 326839, 980517, 4248907, 12746721]

約数ペア:

[(1, 12746721), (3, 4248907), (13, 980517), (39, 326839), (211, 60411), (633, 20137), (1549, 8229), (2743, 4647)]