2836521

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 4358016

約数和(自身を除く): 1521495

約数列:

[1, 3, 9, 23, 69, 71, 193, 207, 213, 579, 639, 1633, 1737, 4439, 4899, 13317, 13703, 14697, 39951, 41109, 123327, 315169, 945507, 2836521]

約数ペア:

[(1, 2836521), (3, 945507), (9, 315169), (23, 123327), (69, 41109), (71, 39951), (193, 14697), (207, 13703), (213, 13317), (579, 4899), (639, 4439), (1633, 1737)]