155393161

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{26209}}^1$

素因数の和:26245

約数の個数: 18

約数和(自身を含む): 198698010

約数和(自身を除く): 43304849

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 5929, 26209, 183463, 288299, 1284241, 2018093, 3171289, 14126651, 22199023, 155393161]

約数ペア:

[(1, 155393161), (7, 22199023), (11, 14126651), (49, 3171289), (77, 2018093), (121, 1284241), (539, 288299), (847, 183463), (5929, 26209)]