13042407

素因数分解:

$3^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{1997}}^1$

素因数の和:2318

約数の個数: 16

約数和(自身を含む): 19948032

約数和(自身を除く): 6905625

約数列:

[1, 3, 7, 21, 311, 933, 1997, 2177, 5991, 6531, 13979, 41937, 621067, 1863201, 4347469, 13042407]

約数ペア:

[(1, 13042407), (3, 4347469), (7, 1863201), (21, 621067), (311, 41937), (933, 13979), (1997, 6531), (2177, 5991)]