28080657

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3187}}^1$

素因数の和:3293

約数の個数: 24

約数和(自身を含む): 44759520

約数和(自身を除く): 16678863

約数列:

[1, 3, 9, 11, 33, 89, 99, 267, 801, 979, 2937, 3187, 8811, 9561, 28683, 35057, 105171, 283643, 315513, 850929, 2552787, 3120073, 9360219, 28080657]

約数ペア:

[(1, 28080657), (3, 9360219), (9, 3120073), (11, 2552787), (33, 850929), (89, 315513), (99, 283643), (267, 105171), (801, 35057), (979, 28683), (2937, 9561), (3187, 8811)]