3490857

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:690

約数の個数: 20

約数和(自身を含む): 5296896

約数和(自身を除く): 1806039

約数列:

[1, 3, 9, 27, 71, 81, 213, 607, 639, 1821, 1917, 5463, 5751, 16389, 43097, 49167, 129291, 387873, 1163619, 3490857]

約数ペア:

[(1, 3490857), (3, 1163619), (9, 387873), (27, 129291), (71, 49167), (81, 43097), (213, 16389), (607, 5751), (639, 5463), (1821, 1917)]