12782889

素因数分解:

$3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{613}}^1$

素因数の和:957

約数の個数: 24

約数和(自身を含む): 21200192

約数和(自身を除く): 8417303

約数列:

[1, 3, 7, 9, 21, 63, 331, 613, 993, 1839, 2317, 2979, 4291, 5517, 6951, 12873, 20853, 38619, 202903, 608709, 1420321, 1826127, 4260963, 12782889]

約数ペア:

[(1, 12782889), (3, 4260963), (7, 1826127), (9, 1420321), (21, 608709), (63, 202903), (331, 38619), (613, 20853), (993, 12873), (1839, 6951), (2317, 5517), (2979, 4291)]