28437279

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{10883}}^1$

素因数の和:10966

約数の個数: 16

約数和(自身を含む): 41446272

約数和(自身を除く): 13008993

約数列:

[1, 3, 13, 39, 67, 201, 871, 2613, 10883, 32649, 141479, 424437, 729161, 2187483, 9479093, 28437279]

約数ペア:

[(1, 28437279), (3, 9479093), (13, 2187483), (39, 729161), (67, 424437), (201, 141479), (871, 32649), (2613, 10883)]