289756521

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{31657}}^1$

素因数の和:31782

約数の個数: 20

約数和(自身を含む): 436690452

約数和(自身を除く): 146933931

約数列:

[1, 3, 9, 27, 81, 113, 339, 1017, 3051, 9153, 31657, 94971, 284913, 854739, 2564217, 3577241, 10731723, 32195169, 96585507, 289756521]

約数ペア:

[(1, 289756521), (3, 96585507), (9, 32195169), (27, 10731723), (81, 3577241), (113, 2564217), (339, 854739), (1017, 284913), (3051, 94971), (9153, 31657)]