128231925

素因数分解:

$3^1\times 5^2\times {\mathrm{173}}^1\times {\mathrm{9883}}^1$

素因数の和:10069

約数の個数: 24

約数和(自身を含む): 213257184

約数和(自身を除く): 85025259

約数列:

[1, 3, 5, 15, 25, 75, 173, 519, 865, 2595, 4325, 9883, 12975, 29649, 49415, 148245, 247075, 741225, 1709759, 5129277, 8548795, 25646385, 42743975, 128231925]

約数ペア:

[(1, 128231925), (3, 42743975), (5, 25646385), (15, 8548795), (25, 5129277), (75, 1709759), (173, 741225), (519, 247075), (865, 148245), (2595, 49415), (4325, 29649), (9883, 12975)]