217664997

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{863}}^1\times {\mathrm{7643}}^1$

素因数の和:8520

約数の個数: 16

約数和(自身を含む): 317011968

約数和(自身を除く): 99346971

約数列:

[1, 3, 11, 33, 863, 2589, 7643, 9493, 22929, 28479, 84073, 252219, 6595909, 19787727, 72554999, 217664997]

約数ペア:

[(1, 217664997), (3, 72554999), (11, 19787727), (33, 6595909), (863, 252219), (2589, 84073), (7643, 28479), (9493, 22929)]