128876589

素因数分解:

$3^4\times {\mathrm{467}}^1\times {\mathrm{3407}}^1$

素因数の和:3886

約数の個数: 20

約数和(自身を含む): 192988224

約数和(自身を除く): 64111635

約数列:

[1, 3, 9, 27, 81, 467, 1401, 3407, 4203, 10221, 12609, 30663, 37827, 91989, 275967, 1591069, 4773207, 14319621, 42958863, 128876589]

約数ペア:

[(1, 128876589), (3, 42958863), (9, 14319621), (27, 4773207), (81, 1591069), (467, 275967), (1401, 91989), (3407, 37827), (4203, 30663), (10221, 12609)]