80381619

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{129439}}^1$

素因数の和:129471

約数の個数: 16

約数和(自身を含む): 124262400

約数和(自身を除く): 43880781

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 129439, 388317, 1164951, 2977097, 3494853, 8931291, 26793873, 80381619]

約数ペア:

[(1, 80381619), (3, 26793873), (9, 8931291), (23, 3494853), (27, 2977097), (69, 1164951), (207, 388317), (621, 129439)]