81421747

素因数分解:

${\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{15649}}^1$

素因数の和:15714

約数の個数: 12

約数和(自身を含む): 91583800

約数和(自身を除く): 10162053

約数列:

[1, 11, 43, 121, 473, 5203, 15649, 172139, 672907, 1893529, 7401977, 81421747]

約数ペア:

[(1, 81421747), (11, 7401977), (43, 1893529), (121, 672907), (473, 172139), (5203, 15649)]