2018025

素因数分解:

$3^2\times 5^2\times {\mathrm{8969}}^1$

素因数の和:8985

約数の個数: 18

約数和(自身を含む): 3614910

約数和(自身を除く): 1596885

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 8969, 26907, 44845, 80721, 134535, 224225, 403605, 672675, 2018025]

約数ペア:

[(1, 2018025), (3, 672675), (5, 403605), (9, 224225), (15, 134535), (25, 80721), (45, 44845), (75, 26907), (225, 8969)]