40816821

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{2113}}^1$

素因数の和:2300

約数の個数: 16

約数和(自身を含む): 56012544

約数和(自身を除く): 15195723

約数列:

[1, 3, 47, 137, 141, 411, 2113, 6339, 6439, 19317, 99311, 289481, 297933, 868443, 13605607, 40816821]

約数ペア:

[(1, 40816821), (3, 13605607), (47, 868443), (137, 297933), (141, 289481), (411, 99311), (2113, 19317), (6339, 6439)]