66215125

素因数分解:

$5^3\times {\mathrm{401}}^1\times {\mathrm{1321}}^1$

素因数の和:1737

約数の個数: 16

約数和(自身を含む): 82905264

約数和(自身を除く): 16690139

約数列:

[1, 5, 25, 125, 401, 1321, 2005, 6605, 10025, 33025, 50125, 165125, 529721, 2648605, 13243025, 66215125]

約数ペア:

[(1, 66215125), (5, 13243025), (25, 2648605), (125, 529721), (401, 165125), (1321, 50125), (2005, 33025), (6605, 10025)]