12820717

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1583}}^1$

素因数の和:1692

約数の個数: 16

約数和(自身を含む): 15966720

約数和(自身を除く): 3146003

約数列:

[1, 7, 13, 89, 91, 623, 1157, 1583, 8099, 11081, 20579, 140887, 144053, 986209, 1831531, 12820717]

約数ペア:

[(1, 12820717), (7, 1831531), (13, 986209), (89, 144053), (91, 140887), (623, 20579), (1157, 11081), (1583, 8099)]