338655889

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{16561}}^1$

素因数の和:16609

約数の個数: 18

約数和(自身を含む): 403102518

約数和(自身を除く): 64446629

約数列:

[1, 11, 13, 121, 143, 169, 1573, 1859, 16561, 20449, 182171, 215293, 2003881, 2368223, 2798809, 26050453, 30786899, 338655889]

約数ペア:

[(1, 338655889), (11, 30786899), (13, 26050453), (121, 2798809), (143, 2368223), (169, 2003881), (1573, 215293), (1859, 182171), (16561, 20449)]