18135125

素因数分解:

$5^3\times {\mathrm{59}}^1\times {\mathrm{2459}}^1$

素因数の和:2533

約数の個数: 16

約数和(自身を含む): 23025600

約数和(自身を除く): 4890475

約数列:

[1, 5, 25, 59, 125, 295, 1475, 2459, 7375, 12295, 61475, 145081, 307375, 725405, 3627025, 18135125]

約数ペア:

[(1, 18135125), (5, 3627025), (25, 725405), (59, 307375), (125, 145081), (295, 61475), (1475, 12295), (2459, 7375)]