12427911

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{2161}}^1$

素因数の和:2244

約数の個数: 20

約数和(自身を含む): 18835344

約数和(自身を除く): 6407433

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 2161, 5751, 6483, 19449, 58347, 153431, 175041, 460293, 1380879, 4142637, 12427911]

約数ペア:

[(1, 12427911), (3, 4142637), (9, 1380879), (27, 460293), (71, 175041), (81, 153431), (213, 58347), (639, 19449), (1917, 6483), (2161, 5751)]