27691447

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:502

約数の個数: 16

約数和(自身を含む): 32281600

約数和(自身を除く): 4590153

約数列:

[1, 7, 103, 193, 199, 721, 1351, 1393, 19879, 20497, 38407, 139153, 143479, 268849, 3955921, 27691447]

約数ペア:

[(1, 27691447), (7, 3955921), (103, 268849), (193, 143479), (199, 139153), (721, 38407), (1351, 20497), (1393, 19879)]