12756945

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20743}}^1$

素因数の和:20792

約数の個数: 16

約数和(自身を含む): 20909952

約数和(自身を除く): 8153007

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 20743, 62229, 103715, 311145, 850463, 2551389, 4252315, 12756945]

約数ペア:

[(1, 12756945), (3, 4252315), (5, 2551389), (15, 850463), (41, 311145), (123, 103715), (205, 62229), (615, 20743)]