12720909

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1723}}^1$

素因数の和:1856

約数の個数: 16

約数和(自身を含む): 17874432

約数和(自身を除く): 5153523

約数列:

[1, 3, 23, 69, 107, 321, 1723, 2461, 5169, 7383, 39629, 118887, 184361, 553083, 4240303, 12720909]

約数ペア:

[(1, 12720909), (3, 4240303), (23, 553083), (69, 184361), (107, 118887), (321, 39629), (1723, 7383), (2461, 5169)]