3781939

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:606

約数の個数: 16

約数和(自身を含む): 4660416

約数和(自身を除く): 878477

約数列:

[1, 7, 17, 61, 119, 427, 521, 1037, 3647, 7259, 8857, 31781, 61999, 222467, 540277, 3781939]

約数ペア:

[(1, 3781939), (7, 540277), (17, 222467), (61, 61999), (119, 31781), (427, 8857), (521, 7259), (1037, 3647)]