28851489

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{277}}^1$

素因数の和:517

約数の個数: 24

約数和(自身を含む): 42674112

約数和(自身を除く): 13822623

約数列:

[1, 3, 9, 71, 163, 213, 277, 489, 639, 831, 1467, 2493, 11573, 19667, 34719, 45151, 59001, 104157, 135453, 177003, 406359, 3205721, 9617163, 28851489]

約数ペア:

[(1, 28851489), (3, 9617163), (9, 3205721), (71, 406359), (163, 177003), (213, 135453), (277, 104157), (489, 59001), (639, 45151), (831, 34719), (1467, 19667), (2493, 11573)]