9989487

素因数分解:

$3^6\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:282

約数の個数: 28

約数和(自身を含む): 15267024

約数和(自身を除く): 5277537

約数列:

[1, 3, 9, 27, 71, 81, 193, 213, 243, 579, 639, 729, 1737, 1917, 5211, 5751, 13703, 15633, 17253, 41109, 46899, 51759, 123327, 140697, 369981, 1109943, 3329829, 9989487]

約数ペア:

[(1, 9989487), (3, 3329829), (9, 1109943), (27, 369981), (71, 140697), (81, 123327), (193, 51759), (213, 46899), (243, 41109), (579, 17253), (639, 15633), (729, 13703), (1737, 5751), (1917, 5211)]