12447855

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{919}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 25259520

約数和(自身を除く): 12811665

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 215, 301, 315, 387, 645, 903, 919, 1505, 1935, 2709, 2757, 4515, 4595, 6433, 8271, 13545, 13785, 19299, 32165, 39517, 41355, 57897, 96495, 118551, 197585, 276619, 289485, 355653, 592755, 829857, 1383095, 1778265, 2489571, 4149285, 12447855]

約数ペア:

[(1, 12447855), (3, 4149285), (5, 2489571), (7, 1778265), (9, 1383095), (15, 829857), (21, 592755), (35, 355653), (43, 289485), (45, 276619), (63, 197585), (105, 118551), (129, 96495), (215, 57897), (301, 41355), (315, 39517), (387, 32165), (645, 19299), (903, 13785), (919, 13545), (1505, 8271), (1935, 6433), (2709, 4595), (2757, 4515)]