27809919

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 42508800

約数和(自身を除く): 14698881

約数列:

[1, 3, 9, 27, 71, 89, 163, 213, 267, 489, 639, 801, 1467, 1917, 2403, 4401, 6319, 11573, 14507, 18957, 34719, 43521, 56871, 104157, 130563, 170613, 312471, 391689, 1029997, 3089991, 9269973, 27809919]

約数ペア:

[(1, 27809919), (3, 9269973), (9, 3089991), (27, 1029997), (71, 391689), (89, 312471), (163, 170613), (213, 130563), (267, 104157), (489, 56871), (639, 43521), (801, 34719), (1467, 18957), (1917, 14507), (2403, 11573), (4401, 6319)]