81246321

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{8573}}^1$

素因数の和:8604

約数の個数: 28

約数和(自身を含む): 131199348

約数和(自身を除く): 49953027

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 3159, 8573, 9477, 25719, 77157, 111449, 231471, 334347, 694413, 1003041, 2083239, 3009123, 6249717, 9027369, 27082107, 81246321]

約数ペア:

[(1, 81246321), (3, 27082107), (9, 9027369), (13, 6249717), (27, 3009123), (39, 2083239), (81, 1003041), (117, 694413), (243, 334347), (351, 231471), (729, 111449), (1053, 77157), (3159, 25719), (8573, 9477)]