28158489

素因数分解:

$3^3\times {\mathrm{641}}^1\times {\mathrm{1627}}^1$

素因数の和:2277

約数の個数: 16

約数和(自身を含む): 41807040

約数和(自身を除く): 13648551

約数列:

[1, 3, 9, 27, 641, 1627, 1923, 4881, 5769, 14643, 17307, 43929, 1042907, 3128721, 9386163, 28158489]

約数ペア:

[(1, 28158489), (3, 9386163), (9, 3128721), (27, 1042907), (641, 43929), (1627, 17307), (1923, 14643), (4881, 5769)]