28193337

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{277}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 41980224

約数和(自身を除く): 13786887

約数列:

[1, 3, 9, 43, 129, 263, 277, 387, 789, 831, 2367, 2493, 11309, 11911, 33927, 35733, 72851, 101781, 107199, 218553, 655659, 3132593, 9397779, 28193337]

約数ペア:

[(1, 28193337), (3, 9397779), (9, 3132593), (43, 655659), (129, 218553), (263, 107199), (277, 101781), (387, 72851), (789, 35733), (831, 33927), (2367, 11911), (2493, 11309)]