2028021225

素因数分解:

$3^1\times 5^2\times {\mathrm{211}}^1\times {\mathrm{128153}}^1$

素因数の和:128377

約数の個数: 24

約数和(自身を含む): 3368912352

約数和(自身を除く): 1340891127

約数列:

[1, 3, 5, 15, 25, 75, 211, 633, 1055, 3165, 5275, 15825, 128153, 384459, 640765, 1922295, 3203825, 9611475, 27040283, 81120849, 135201415, 405604245, 676007075, 2028021225]

約数ペア:

[(1, 2028021225), (3, 676007075), (5, 405604245), (15, 135201415), (25, 81120849), (75, 27040283), (211, 9611475), (633, 3203825), (1055, 1922295), (3165, 640765), (5275, 384459), (15825, 128153)]