12705987

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{35591}}^1$

素因数の和:35618

約数の個数: 16

約数和(自身を含む): 20500992

約数和(自身を除く): 7795005

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 35591, 106773, 249137, 605047, 747411, 1815141, 4235329, 12705987]

約数ペア:

[(1, 12705987), (3, 4235329), (7, 1815141), (17, 747411), (21, 605047), (51, 249137), (119, 106773), (357, 35591)]