12705417

素因数分解:

$3^4\times {\mathrm{227}}^1\times {\mathrm{691}}^1$

素因数の和:930

約数の個数: 20

約数和(自身を含む): 19090896

約数和(自身を除く): 6385479

約数列:

[1, 3, 9, 27, 81, 227, 681, 691, 2043, 2073, 6129, 6219, 18387, 18657, 55971, 156857, 470571, 1411713, 4235139, 12705417]

約数ペア:

[(1, 12705417), (3, 4235139), (9, 1411713), (27, 470571), (81, 156857), (227, 55971), (681, 18657), (691, 18387), (2043, 6219), (2073, 6129)]