55211517

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 84188160

約数和(自身を除く): 28976643

約数列:

[1, 3, 9, 27, 71, 83, 213, 249, 347, 639, 747, 1041, 1917, 2241, 3123, 5893, 9369, 17679, 24637, 28801, 53037, 73911, 86403, 159111, 221733, 259209, 665199, 777627, 2044871, 6134613, 18403839, 55211517]

約数ペア:

[(1, 55211517), (3, 18403839), (9, 6134613), (27, 2044871), (71, 777627), (83, 665199), (213, 259209), (249, 221733), (347, 159111), (639, 86403), (747, 73911), (1041, 53037), (1917, 28801), (2241, 24637), (3123, 17679), (5893, 9369)]