82431

素因数分解:

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

素因数の和:123

約数の個数: 16

約数和(自身を含む): 126720

約数和(自身を除く): 44289

約数列:

[1, 3, 9, 27, 43, 71, 129, 213, 387, 639, 1161, 1917, 3053, 9159, 27477, 82431]

約数ペア:

[(1, 82431), (3, 27477), (9, 9159), (27, 3053), (43, 1917), (71, 1161), (129, 639), (213, 387)]