2155280253

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{996431}}^1$

素因数の和:996544

約数の個数: 16

約数和(自身を含む): 3316125696

約数和(自身を除く): 1160845443

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 996431, 2989293, 6975017, 20925051, 102632393, 307897179, 718426751, 2155280253]

約数ペア:

[(1, 2155280253), (3, 718426751), (7, 307897179), (21, 102632393), (103, 20925051), (309, 6975017), (721, 2989293), (2163, 996431)]