31721065

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{2377}}^1$

素因数の和:2556

約数の個数: 16

約数和(自身を含む): 40578192

約数和(自身を除く): 8857127

約数列:

[1, 5, 17, 85, 157, 785, 2377, 2669, 11885, 13345, 40409, 202045, 373189, 1865945, 6344213, 31721065]

約数ペア:

[(1, 31721065), (5, 6344213), (17, 1865945), (85, 373189), (157, 202045), (785, 40409), (2377, 13345), (2669, 11885)]