13121517

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{997}}^1$

素因数の和:1148

約数の個数: 16

約数和(自身を含む): 18107712

約数和(自身を除く): 4986195

約数列:

[1, 3, 41, 107, 123, 321, 997, 2991, 4387, 13161, 40877, 106679, 122631, 320037, 4373839, 13121517]

約数ペア:

[(1, 13121517), (3, 4373839), (41, 320037), (107, 122631), (123, 106679), (321, 40877), (997, 13161), (2991, 4387)]