28735191

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{233}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 42490656

約数和(自身を除く): 13755465

約数列:

[1, 3, 9, 71, 193, 213, 233, 579, 639, 699, 1737, 2097, 13703, 16543, 41109, 44969, 49629, 123327, 134907, 148887, 404721, 3192799, 9578397, 28735191]

約数ペア:

[(1, 28735191), (3, 9578397), (9, 3192799), (71, 404721), (193, 148887), (213, 134907), (233, 123327), (579, 49629), (639, 44969), (699, 41109), (1737, 16543), (2097, 13703)]