39897021

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{983}}^1$

素因数の和:1232

約数の個数: 16

約数和(自身を含む): 54222336

約数和(自身を除く): 14325315

約数列:

[1, 3, 83, 163, 249, 489, 983, 2949, 13529, 40587, 81589, 160229, 244767, 480687, 13299007, 39897021]

約数ペア:

[(1, 39897021), (3, 13299007), (83, 480687), (163, 244767), (249, 160229), (489, 81589), (983, 40587), (2949, 13529)]