12740259

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 20791296

約数和(自身を除く): 8051037

約数列:

[1, 3, 7, 17, 21, 51, 119, 127, 281, 357, 381, 843, 889, 1967, 2159, 2667, 4777, 5901, 6477, 14331, 15113, 33439, 35687, 45339, 100317, 107061, 249809, 606679, 749427, 1820037, 4246753, 12740259]

約数ペア:

[(1, 12740259), (3, 4246753), (7, 1820037), (17, 749427), (21, 606679), (51, 249809), (119, 107061), (127, 100317), (281, 45339), (357, 35687), (381, 33439), (843, 15113), (889, 14331), (1967, 6477), (2159, 5901), (2667, 4777)]