28507713

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{2381}}^1$

素因数の和:2704

約数の個数: 16

約数和(自身を含む): 41084736

約数和(自身を除く): 12577023

約数列:

[1, 3, 13, 39, 307, 921, 2381, 3991, 7143, 11973, 30953, 92859, 730967, 2192901, 9502571, 28507713]

約数ペア:

[(1, 28507713), (3, 9502571), (13, 2192901), (39, 730967), (307, 92859), (921, 30953), (2381, 11973), (3991, 7143)]