81123225

素因数分解:

$3^1\times 5^2\times {\mathrm{701}}^1\times {\mathrm{1543}}^1$

素因数の和:2257

約数の個数: 24

約数和(自身を含む): 134402112

約数和(自身を除く): 53278887

約数列:

[1, 3, 5, 15, 25, 75, 701, 1543, 2103, 3505, 4629, 7715, 10515, 17525, 23145, 38575, 52575, 115725, 1081643, 3244929, 5408215, 16224645, 27041075, 81123225]

約数ペア:

[(1, 81123225), (3, 27041075), (5, 16224645), (15, 5408215), (25, 3244929), (75, 1081643), (701, 115725), (1543, 52575), (2103, 38575), (3505, 23145), (4629, 17525), (7715, 10515)]