1388970021

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{863}}^1\times {\mathrm{6791}}^1$

素因数の和:7736

約数の個数: 16

約数和(自身を含む): 1877852160

約数和(自身を除く): 488882139

約数列:

[1, 3, 79, 237, 863, 2589, 6791, 20373, 68177, 204531, 536489, 1609467, 5860633, 17581899, 462990007, 1388970021]

約数ペア:

[(1, 1388970021), (3, 462990007), (79, 17581899), (237, 5860633), (863, 1609467), (2589, 536489), (6791, 204531), (20373, 68177)]