27681693

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{769}}^1$

素因数の和:869

約数の個数: 24

約数和(自身を含む): 40582080

約数和(自身を除く): 12900387

約数列:

[1, 3, 13, 39, 71, 169, 213, 507, 769, 923, 2307, 2769, 9997, 11999, 29991, 35997, 54599, 129961, 163797, 389883, 709787, 2129361, 9227231, 27681693]

約数ペア:

[(1, 27681693), (3, 9227231), (13, 2129361), (39, 709787), (71, 389883), (169, 163797), (213, 129961), (507, 54599), (769, 35997), (923, 29991), (2307, 11999), (2769, 9997)]