993968025

素因数分解:

$3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{128669}}^1$

素因数の和:128785

約数の個数: 24

約数和(自身を含む): 1659328320

約数和(自身を除く): 665360295

約数列:

[1, 3, 5, 15, 25, 75, 103, 309, 515, 1545, 2575, 7725, 128669, 386007, 643345, 1930035, 3216725, 9650175, 13252907, 39758721, 66264535, 198793605, 331322675, 993968025]

約数ペア:

[(1, 993968025), (3, 331322675), (5, 198793605), (15, 66264535), (25, 39758721), (75, 13252907), (103, 9650175), (309, 3216725), (515, 1930035), (1545, 643345), (2575, 386007), (7725, 128669)]