12117519

素因数分解:

$3^4\times {\mathrm{211}}^1\times {\mathrm{709}}^1$

素因数の和:932

約数の個数: 20

約数和(自身を含む): 18212920

約数和(自身を除く): 6095401

約数列:

[1, 3, 9, 27, 81, 211, 633, 709, 1899, 2127, 5697, 6381, 17091, 19143, 57429, 149599, 448797, 1346391, 4039173, 12117519]

約数ペア:

[(1, 12117519), (3, 4039173), (9, 1346391), (27, 448797), (81, 149599), (211, 57429), (633, 19143), (709, 17091), (1899, 6381), (2127, 5697)]