2090275

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{691}}^1$

素因数の和:723

約数の個数: 18

約数和(自身を含む): 2853116

約数和(自身を除く): 762841

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 691, 3025, 3455, 7601, 17275, 38005, 83611, 190025, 418055, 2090275]

約数ペア:

[(1, 2090275), (5, 418055), (11, 190025), (25, 83611), (55, 38005), (121, 17275), (275, 7601), (605, 3455), (691, 3025)]