201552725

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{66629}}^1$

素因数の和:66661

約数の個数: 18

約数和(自身を含む): 274715490

約数和(自身を除く): 73162765

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 66629, 333145, 732919, 1665725, 3664595, 8062109, 18322975, 40310545, 201552725]

約数ペア:

[(1, 201552725), (5, 40310545), (11, 18322975), (25, 8062109), (55, 3664595), (121, 1665725), (275, 732919), (605, 333145), (3025, 66629)]