218548287

素因数分解:

$3^4\times {\mathrm{1031}}^1\times {\mathrm{2617}}^1$

素因数の和:3660

約数の個数: 20

約数和(自身を含む): 326914896

約数和(自身を除く): 108366609

約数列:

[1, 3, 9, 27, 81, 1031, 2617, 3093, 7851, 9279, 23553, 27837, 70659, 83511, 211977, 2698127, 8094381, 24283143, 72849429, 218548287]

約数ペア:

[(1, 218548287), (3, 72849429), (9, 24283143), (27, 8094381), (81, 2698127), (1031, 211977), (2617, 83511), (3093, 70659), (7851, 27837), (9279, 23553)]