28680525

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{3109}}^1$

素因数の和:3166

約数の個数: 36

約数和(自身を含む): 52639860

約数和(自身を除く): 23959335

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 205, 225, 369, 615, 1025, 1845, 3075, 3109, 9225, 9327, 15545, 27981, 46635, 77725, 127469, 139905, 233175, 382407, 637345, 699525, 1147221, 1912035, 3186725, 5736105, 9560175, 28680525]

約数ペア:

[(1, 28680525), (3, 9560175), (5, 5736105), (9, 3186725), (15, 1912035), (25, 1147221), (41, 699525), (45, 637345), (75, 382407), (123, 233175), (205, 139905), (225, 127469), (369, 77725), (615, 46635), (1025, 27981), (1845, 15545), (3075, 9327), (3109, 9225)]