291233637

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{43319}}^1$

素因数の和:43414

約数の個数: 20

約数和(自身を含む): 440304480

約数和(自身を除く): 149070843

約数列:

[1, 3, 9, 27, 81, 83, 249, 747, 2241, 6723, 43319, 129957, 389871, 1169613, 3508839, 3595477, 10786431, 32359293, 97077879, 291233637]

約数ペア:

[(1, 291233637), (3, 97077879), (9, 32359293), (27, 10786431), (81, 3595477), (83, 3508839), (249, 1169613), (747, 389871), (2241, 129957), (6723, 43319)]