12219963

素因数分解:

$3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{857}}^1$

素因数の和:971

約数の個数: 24

約数和(自身を含む): 19171152

約数和(自身を除く): 6951189

約数列:

[1, 3, 7, 21, 49, 97, 147, 291, 679, 857, 2037, 2571, 4753, 5999, 14259, 17997, 41993, 83129, 125979, 249387, 581903, 1745709, 4073321, 12219963]

約数ペア:

[(1, 12219963), (3, 4073321), (7, 1745709), (21, 581903), (49, 249387), (97, 125979), (147, 83129), (291, 41993), (679, 17997), (857, 14259), (2037, 5999), (2571, 4753)]