28113189

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42403}}^1$

素因数の和:42436

約数の個数: 16

約数和(自身を含む): 42743232

約数和(自身を除く): 14630043

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 42403, 127209, 551239, 720851, 1653717, 2162553, 9371063, 28113189]

約数ペア:

[(1, 28113189), (3, 9371063), (13, 2162553), (17, 1653717), (39, 720851), (51, 551239), (221, 127209), (663, 42403)]