12131805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2687}}^1$

素因数の和:2745

約数の個数: 32

約数和(自身を含む): 22708224

約数和(自身を除く): 10576419

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 2687, 4515, 8061, 13435, 18809, 40305, 56427, 94045, 115541, 282135, 346623, 577705, 808787, 1733115, 2426361, 4043935, 12131805]

約数ペア:

[(1, 12131805), (3, 4043935), (5, 2426361), (7, 1733115), (15, 808787), (21, 577705), (35, 346623), (43, 282135), (105, 115541), (129, 94045), (215, 56427), (301, 40305), (645, 18809), (903, 13435), (1505, 8061), (2687, 4515)]