28207143

素因数分解:

$3^3\times {\mathrm{193}}^1\times {\mathrm{5413}}^1$

素因数の和:5615

約数の個数: 16

約数和(自身を含む): 42012640

約数和(自身を除く): 13805497

約数列:

[1, 3, 9, 27, 193, 579, 1737, 5211, 5413, 16239, 48717, 146151, 1044709, 3134127, 9402381, 28207143]

約数ペア:

[(1, 28207143), (3, 9402381), (9, 3134127), (27, 1044709), (193, 146151), (579, 48717), (1737, 16239), (5211, 5413)]