53690725

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{17749}}^1$

素因数の和:17781

約数の個数: 18

約数和(自身を含む): 73183250

約数和(自身を除く): 19492525

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 17749, 88745, 195239, 443725, 976195, 2147629, 4880975, 10738145, 53690725]

約数ペア:

[(1, 53690725), (5, 10738145), (11, 4880975), (25, 2147629), (55, 976195), (121, 443725), (275, 195239), (605, 88745), (3025, 17749)]