12707919

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4691}}^1$

素因数の和:4747

約数の個数: 24

約数和(自身を含む): 21470592

約数和(自身を除く): 8762673

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 4691, 14073, 32837, 42219, 98511, 201713, 295533, 605139, 1411991, 1815417, 4235973, 12707919]

約数ペア:

[(1, 12707919), (3, 4235973), (7, 1815417), (9, 1411991), (21, 605139), (43, 295533), (63, 201713), (129, 98511), (301, 42219), (387, 32837), (903, 14073), (2709, 4691)]