12878439

素因数分解:

$3^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1249}}^1$

素因数の和:1750

約数の個数: 16

約数和(自身を含む): 19680000

約数和(自身を除く): 6801561

約数列:

[1, 3, 7, 21, 491, 1249, 1473, 3437, 3747, 8743, 10311, 26229, 613259, 1839777, 4292813, 12878439]

約数ペア:

[(1, 12878439), (3, 4292813), (7, 1839777), (21, 613259), (491, 26229), (1249, 10311), (1473, 8743), (3437, 3747)]