819279999

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{2220271}}^1$

素因数の和:2220318

約数の個数: 12

約数和(自身を含む): 1212268512

約数和(自身を除く): 392988513

約数列:

[1, 3, 9, 41, 123, 369, 2220271, 6660813, 19982439, 91031111, 273093333, 819279999]

約数ペア:

[(1, 819279999), (3, 273093333), (9, 91031111), (41, 19982439), (123, 6660813), (369, 2220271)]