30991575

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{14249}}^1$

素因数の和:14291

約数の個数: 24

約数和(自身を含む): 53010000

約数和(自身を除く): 22018425

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 14249, 42747, 71245, 213735, 356225, 413221, 1068675, 1239663, 2066105, 6198315, 10330525, 30991575]

約数ペア:

[(1, 30991575), (3, 10330525), (5, 6198315), (15, 2066105), (25, 1239663), (29, 1068675), (75, 413221), (87, 356225), (145, 213735), (435, 71245), (725, 42747), (2175, 14249)]