128350089

素因数分解:

$3^4\times 7^1\times {\mathrm{226367}}^1$

素因数の和:226386

約数の個数: 20

約数和(自身を含む): 219124224

約数和(自身を除く): 90774135

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 226367, 679101, 1584569, 2037303, 4753707, 6111909, 14261121, 18335727, 42783363, 128350089]

約数ペア:

[(1, 128350089), (3, 42783363), (7, 18335727), (9, 14261121), (21, 6111909), (27, 4753707), (63, 2037303), (81, 1584569), (189, 679101), (567, 226367)]