28684665

素因数分解:

$3^3\times 5^1\times {\mathrm{212479}}^1$

素因数の和:212493

約数の個数: 16

約数和(自身を含む): 50995200

約数和(自身を除く): 22310535

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 212479, 637437, 1062395, 1912311, 3187185, 5736933, 9561555, 28684665]

約数ペア:

[(1, 28684665), (3, 9561555), (5, 5736933), (9, 3187185), (15, 1912311), (27, 1062395), (45, 637437), (135, 212479)]