3959781

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{977}}^1$

素因数の和:1180

約数の個数: 16

約数和(自身を含む): 6071424

約数和(自身を除く): 2111643

約数列:

[1, 3, 7, 21, 193, 579, 977, 1351, 2931, 4053, 6839, 20517, 188561, 565683, 1319927, 3959781]

約数ペア:

[(1, 3959781), (3, 1319927), (7, 565683), (21, 188561), (193, 20517), (579, 6839), (977, 4053), (1351, 2931)]