309960999

素因数分解:

$3^4\times {\mathrm{839}}^1\times {\mathrm{4561}}^1$

素因数の和:5412

約数の個数: 20

約数和(自身を含む): 463681680

約数和(自身を除く): 153720681

約数列:

[1, 3, 9, 27, 81, 839, 2517, 4561, 7551, 13683, 22653, 41049, 67959, 123147, 369441, 3826679, 11480037, 34440111, 103320333, 309960999]

約数ペア:

[(1, 309960999), (3, 103320333), (9, 34440111), (27, 11480037), (81, 3826679), (839, 369441), (2517, 123147), (4561, 67959), (7551, 41049), (13683, 22653)]