27779247

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:460

約数の個数: 32

約数和(自身を含む): 42831360

約数和(自身を除く): 15052113

約数列:

[1, 3, 9, 27, 43, 71, 129, 213, 337, 387, 639, 1011, 1161, 1917, 3033, 3053, 9099, 9159, 14491, 23927, 27477, 43473, 71781, 82431, 130419, 215343, 391257, 646029, 1028861, 3086583, 9259749, 27779247]

約数ペア:

[(1, 27779247), (3, 9259749), (9, 3086583), (27, 1028861), (43, 646029), (71, 391257), (129, 215343), (213, 130419), (337, 82431), (387, 71781), (639, 43473), (1011, 27477), (1161, 23927), (1917, 14491), (3033, 9159), (3053, 9099)]