12731655

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19739}}^1$

素因数の和:19790

約数の個数: 16

約数和(自身を含む): 20845440

約数和(自身を除く): 8113785

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 19739, 59217, 98695, 296085, 848777, 2546331, 4243885, 12731655]

約数ペア:

[(1, 12731655), (3, 4243885), (5, 2546331), (15, 848777), (43, 296085), (129, 98695), (215, 59217), (645, 19739)]