9990925

素因数分解:

$5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1543}}^1$

素因数の和:1597

約数の個数: 24

約数和(自身を含む): 14550656

約数和(自身を除く): 4559731

約数列:

[1, 5, 7, 25, 35, 37, 175, 185, 259, 925, 1295, 1543, 6475, 7715, 10801, 38575, 54005, 57091, 270025, 285455, 399637, 1427275, 1998185, 9990925]

約数ペア:

[(1, 9990925), (5, 1998185), (7, 1427275), (25, 399637), (35, 285455), (37, 270025), (175, 57091), (185, 54005), (259, 38575), (925, 10801), (1295, 7715), (1543, 6475)]