12681474045

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20620283}}^1$

素因数の和:20620332

約数の個数: 16

約数和(自身を含む): 20785246272

約数和(自身を除く): 8103772227

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 20620283, 61860849, 103101415, 309304245, 845431603, 2536294809, 4227158015, 12681474045]

約数ペア:

[(1, 12681474045), (3, 4227158015), (5, 2536294809), (15, 845431603), (41, 309304245), (123, 103101415), (205, 61860849), (615, 20620283)]