7720161

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{443}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 10663104

約数和(自身を除く): 2942943

約数列:

[1, 3, 37, 111, 157, 443, 471, 1329, 5809, 16391, 17427, 49173, 69551, 208653, 2573387, 7720161]

約数ペア:

[(1, 7720161), (3, 2573387), (37, 208653), (111, 69551), (157, 49173), (443, 17427), (471, 16391), (1329, 5809)]