2787795

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1511}}^1$

素因数の和:1563

約数の個数: 24

約数和(自身を含む): 4953312

約数和(自身を除く): 2165517

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1511, 1845, 4533, 7555, 13599, 22665, 61951, 67995, 185853, 309755, 557559, 929265, 2787795]

約数ペア:

[(1, 2787795), (3, 929265), (5, 557559), (9, 309755), (15, 185853), (41, 67995), (45, 61951), (123, 22665), (205, 13599), (369, 7555), (615, 4533), (1511, 1845)]