839943999

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{252919}}^1$

素因数の和:252972

約数の個数: 20

約数和(自身を含む): 1285339440

約数和(自身を除く): 445395441

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 252919, 758757, 2276271, 6828813, 10369679, 20486439, 31109037, 93327111, 279981333, 839943999]

約数ペア:

[(1, 839943999), (3, 279981333), (9, 93327111), (27, 31109037), (41, 20486439), (81, 10369679), (123, 6828813), (369, 2276271), (1107, 758757), (3321, 252919)]