90625975

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{29959}}^1$

素因数の和:29991

約数の個数: 18

約数和(自身を含む): 123525080

約数和(自身を除く): 32899105

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 29959, 149795, 329549, 748975, 1647745, 3625039, 8238725, 18125195, 90625975]

約数ペア:

[(1, 90625975), (5, 18125195), (11, 8238725), (25, 3625039), (55, 1647745), (121, 748975), (275, 329549), (605, 149795), (3025, 29959)]