12278889

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2909}}^1$

素因数の和:2989

約数の個数: 24

約数和(自身を含む): 20579520

約数和(自身を除く): 8300631

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 2909, 4221, 8727, 20363, 26181, 61089, 183267, 194903, 584709, 1364321, 1754127, 4092963, 12278889]

約数ペア:

[(1, 12278889), (3, 4092963), (7, 1754127), (9, 1364321), (21, 584709), (63, 194903), (67, 183267), (201, 61089), (469, 26181), (603, 20363), (1407, 8727), (2909, 4221)]