856558881

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{104701}}^1$

素因数の和:104814

約数の個数: 20

約数和(自身を含む): 1292232084

約数和(自身を除く): 435673203

約数列:

[1, 3, 9, 27, 81, 101, 303, 909, 2727, 8181, 104701, 314103, 942309, 2826927, 8480781, 10574801, 31724403, 95173209, 285519627, 856558881]

約数ペア:

[(1, 856558881), (3, 285519627), (9, 95173209), (27, 31724403), (81, 10574801), (101, 8480781), (303, 2826927), (909, 942309), (2727, 314103), (8181, 104701)]