777742479

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{259507}}^1$

素因数の和:259556

約数の個数: 20

約数和(自身を含む): 1193217784

約数和(自身を除く): 415475305

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 259507, 778521, 2335563, 7006689, 9601759, 21020067, 28805277, 86415831, 259247493, 777742479]

約数ペア:

[(1, 777742479), (3, 259247493), (9, 86415831), (27, 28805277), (37, 21020067), (81, 9601759), (111, 7006689), (333, 2335563), (999, 778521), (2997, 259507)]