15998945

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{443}}^1$

素因数の和:712

約数の個数: 16

約数和(自身を含む): 19948032

約数和(自身を除く): 3949087

約数列:

[1, 5, 31, 155, 233, 443, 1165, 2215, 7223, 13733, 36115, 68665, 103219, 516095, 3199789, 15998945]

約数ペア:

[(1, 15998945), (5, 3199789), (31, 516095), (155, 103219), (233, 68665), (443, 36115), (1165, 13733), (2215, 7223)]