18131025

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{21977}}^1$

素因数の和:22001

約数の個数: 24

約数和(自身を含む): 32703264

約数和(自身を除く): 14572239

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 21977, 65931, 109885, 241747, 329655, 549425, 725241, 1208735, 1648275, 3626205, 6043675, 18131025]

約数ペア:

[(1, 18131025), (3, 6043675), (5, 3626205), (11, 1648275), (15, 1208735), (25, 725241), (33, 549425), (55, 329655), (75, 241747), (165, 109885), (275, 65931), (825, 21977)]