51216489

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{26717}}^1$

素因数の和:26797

約数の個数: 16

約数和(自身を含む): 76947840

約数和(自身を除く): 25731351

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 26717, 80151, 240453, 721359, 1896907, 5690721, 17072163, 51216489]

約数ペア:

[(1, 51216489), (3, 17072163), (9, 5690721), (27, 1896907), (71, 721359), (213, 240453), (639, 80151), (1917, 26717)]