28457187

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37493}}^1$

素因数の和:37530

約数の個数: 16

約数和(自身を含む): 43193088

約数和(自身を除く): 14735901

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 37493, 112479, 412423, 862339, 1237269, 2587017, 9485729, 28457187]

約数ペア:

[(1, 28457187), (3, 9485729), (11, 2587017), (23, 1237269), (33, 862339), (69, 412423), (253, 112479), (759, 37493)]