203411025

素因数分解:

$3^2\times 5^2\times {\mathrm{904049}}^1$

素因数の和:904065

約数の個数: 18

約数和(自身を含む): 364332150

約数和(自身を除く): 160921125

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 904049, 2712147, 4520245, 8136441, 13560735, 22601225, 40682205, 67803675, 203411025]

約数ペア:

[(1, 203411025), (3, 67803675), (5, 40682205), (9, 22601225), (15, 13560735), (25, 8136441), (45, 4520245), (75, 2712147), (225, 904049)]