28094121

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{31531}}^1$

素因数の和:31554

約数の個数: 20

約数和(自身を含む): 45784464

約数和(自身を除く): 17690343

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 31531, 94593, 283779, 346841, 851337, 1040523, 2554011, 3121569, 9364707, 28094121]

約数ペア:

[(1, 28094121), (3, 9364707), (9, 3121569), (11, 2554011), (27, 1040523), (33, 851337), (81, 346841), (99, 283779), (297, 94593), (891, 31531)]