12564867

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 19981312

約数和(自身を除く): 7416445

約数列:

[1, 3, 7, 21, 37, 103, 111, 157, 259, 309, 471, 721, 777, 1099, 2163, 3297, 3811, 5809, 11433, 16171, 17427, 26677, 40663, 48513, 80031, 113197, 121989, 339591, 598327, 1794981, 4188289, 12564867]

約数ペア:

[(1, 12564867), (3, 4188289), (7, 1794981), (21, 598327), (37, 339591), (103, 121989), (111, 113197), (157, 80031), (259, 48513), (309, 40663), (471, 26677), (721, 17427), (777, 16171), (1099, 11433), (2163, 5809), (3297, 3811)]