12943215

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6689}}^1$

素因数の和:6743

約数の個数: 24

約数和(自身を含む): 22960080

約数和(自身を除く): 10016865

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 6689, 20067, 33445, 60201, 100335, 287627, 301005, 862881, 1438135, 2588643, 4314405, 12943215]

約数ペア:

[(1, 12943215), (3, 4314405), (5, 2588643), (9, 1438135), (15, 862881), (43, 301005), (45, 287627), (129, 100335), (215, 60201), (387, 33445), (645, 20067), (1935, 6689)]