2019978279

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{148933}}^1$

素因数の和:149087

約数の個数: 24

約数和(自身を含む): 3206251152

約数和(自身を除く): 1186272873

約数列:

[1, 3, 9, 11, 33, 99, 137, 411, 1233, 1507, 4521, 13563, 148933, 446799, 1340397, 1638263, 4914789, 14744367, 20403821, 61211463, 183634389, 224442031, 673326093, 2019978279]

約数ペア:

[(1, 2019978279), (3, 673326093), (9, 224442031), (11, 183634389), (33, 61211463), (99, 20403821), (137, 14744367), (411, 4914789), (1233, 1638263), (1507, 1340397), (4521, 446799), (13563, 148933)]