12706905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{49831}}^1$

素因数の和:49856

約数の個数: 16

約数和(自身を含む): 21527424

約数和(自身を除く): 8820519

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 49831, 149493, 249155, 747465, 847127, 2541381, 4235635, 12706905]

約数ペア:

[(1, 12706905), (3, 4235635), (5, 2541381), (15, 847127), (17, 747465), (51, 249155), (85, 149493), (255, 49831)]