3981775

素因数分解:

$5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:451

約数の個数: 24

約数和(自身を含む): 5750624

約数和(自身を除く): 1768849

約数列:

[1, 5, 7, 25, 35, 61, 175, 305, 373, 427, 1525, 1865, 2135, 2611, 9325, 10675, 13055, 22753, 65275, 113765, 159271, 568825, 796355, 3981775]

約数ペア:

[(1, 3981775), (5, 796355), (7, 568825), (25, 159271), (35, 113765), (61, 65275), (175, 22753), (305, 13055), (373, 10675), (427, 9325), (1525, 2611), (1865, 2135)]