12680619

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 20712960

約数和(自身を除く): 8032341

約数列:

[1, 3, 7, 19, 21, 57, 61, 133, 183, 399, 427, 521, 1159, 1281, 1563, 3477, 3647, 8113, 9899, 10941, 24339, 29697, 31781, 69293, 95343, 207879, 222467, 603839, 667401, 1811517, 4226873, 12680619]

約数ペア:

[(1, 12680619), (3, 4226873), (7, 1811517), (19, 667401), (21, 603839), (57, 222467), (61, 207879), (133, 95343), (183, 69293), (399, 31781), (427, 29697), (521, 24339), (1159, 10941), (1281, 9899), (1563, 8113), (3477, 3647)]