180828277

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{571}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 220663872

約数和(自身を除く): 39835595

約数列:

[1, 7, 23, 49, 161, 281, 571, 1127, 1967, 3997, 6463, 13133, 13769, 27979, 45241, 91931, 160451, 316687, 643517, 1123157, 3690373, 7862099, 25832611, 180828277]

約数ペア:

[(1, 180828277), (7, 25832611), (23, 7862099), (49, 3690373), (161, 1123157), (281, 643517), (571, 316687), (1127, 160451), (1967, 91931), (3997, 45241), (6463, 27979), (13133, 13769)]