28204767

素因数分解:

$3^5\times {\mathrm{37}}^1\times {\mathrm{3137}}^1$

素因数の和:3189

約数の個数: 24

約数和(自身を含む): 43404816

約数和(自身を除く): 15200049

約数列:

[1, 3, 9, 27, 37, 81, 111, 243, 333, 999, 2997, 3137, 8991, 9411, 28233, 84699, 116069, 254097, 348207, 762291, 1044621, 3133863, 9401589, 28204767]

約数ペア:

[(1, 28204767), (3, 9401589), (9, 3133863), (27, 1044621), (37, 762291), (81, 348207), (111, 254097), (243, 116069), (333, 84699), (999, 28233), (2997, 9411), (3137, 8991)]