890654211

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{354701}}^1$

素因数の和:354744

約数の個数: 20

約数和(自身を含む): 1373406144

約数和(自身を除く): 482751933

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 354701, 1064103, 3192309, 9576927, 10995731, 28730781, 32987193, 98961579, 296884737, 890654211]

約数ペア:

[(1, 890654211), (3, 296884737), (9, 98961579), (27, 32987193), (31, 28730781), (81, 10995731), (93, 9576927), (279, 3192309), (837, 1064103), (2511, 354701)]