18165125

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{1201}}^1$

素因数の和:1238

約数の個数: 24

約数和(自身を含む): 24939096

約数和(自身を除く): 6773971

約数列:

[1, 5, 11, 25, 55, 121, 125, 275, 605, 1201, 1375, 3025, 6005, 13211, 15125, 30025, 66055, 145321, 150125, 330275, 726605, 1651375, 3633025, 18165125]

約数ペア:

[(1, 18165125), (5, 3633025), (11, 1651375), (25, 726605), (55, 330275), (121, 150125), (125, 145321), (275, 66055), (605, 30025), (1201, 15125), (1375, 13211), (3025, 6005)]