12513405

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20347}}^1$

素因数の和:20396

約数の個数: 16

約数和(自身を含む): 20510784

約数和(自身を除く): 7997379

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 20347, 61041, 101735, 305205, 834227, 2502681, 4171135, 12513405]

約数ペア:

[(1, 12513405), (3, 4171135), (5, 2502681), (15, 834227), (41, 305205), (123, 101735), (205, 61041), (615, 20347)]