81298251

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{2531}}^1$

素因数の和:2663

約数の個数: 24

約数和(自身を含む): 121657536

約数和(自身を除く): 40359285

約数列:

[1, 3, 9, 43, 83, 129, 249, 387, 747, 2531, 3569, 7593, 10707, 22779, 32121, 108833, 210073, 326499, 630219, 979497, 1890657, 9033139, 27099417, 81298251]

約数ペア:

[(1, 81298251), (3, 27099417), (9, 9033139), (43, 1890657), (83, 979497), (129, 630219), (249, 326499), (387, 210073), (747, 108833), (2531, 32121), (3569, 22779), (7593, 10707)]