40687017

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{6311}}^1$

素因数の和:6628

約数の個数: 16

約数和(自身を含む): 62211072

約数和(自身を除く): 21524055

約数列:

[1, 3, 7, 21, 307, 921, 2149, 6311, 6447, 18933, 44177, 132531, 1937477, 5812431, 13562339, 40687017]

約数ペア:

[(1, 40687017), (3, 13562339), (7, 5812431), (21, 1937477), (307, 132531), (921, 44177), (2149, 18933), (6311, 6447)]