12257889

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1367}}^1$

素因数の和:1445

約数の個数: 24

約数和(自身を含む): 19338048

約数和(自身を除く): 7080159

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 427, 1281, 1367, 2989, 4101, 8967, 9569, 28707, 66983, 83387, 200949, 250161, 583709, 1751127, 4085963, 12257889]

約数ペア:

[(1, 12257889), (3, 4085963), (7, 1751127), (21, 583709), (49, 250161), (61, 200949), (147, 83387), (183, 66983), (427, 28707), (1281, 9569), (1367, 8967), (2989, 4101)]