15297021

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:761

約数の個数: 24

約数和(自身を含む): 23048064

約数和(自身を除く): 7751043

約数列:

[1, 3, 9, 37, 71, 111, 213, 333, 639, 647, 1941, 2627, 5823, 7881, 23643, 23939, 45937, 71817, 137811, 215451, 413433, 1699669, 5099007, 15297021]

約数ペア:

[(1, 15297021), (3, 5099007), (9, 1699669), (37, 413433), (71, 215451), (111, 137811), (213, 71817), (333, 45937), (639, 23939), (647, 23643), (1941, 7881), (2627, 5823)]