17668989

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{709}}^1$

素因数の和:802

約数の個数: 32

約数和(自身を含む): 28627200

約数和(自身を除く): 10958211

約数列:

[1, 3, 9, 13, 27, 39, 71, 117, 213, 351, 639, 709, 923, 1917, 2127, 2769, 6381, 8307, 9217, 19143, 24921, 27651, 50339, 82953, 151017, 248859, 453051, 654407, 1359153, 1963221, 5889663, 17668989]

約数ペア:

[(1, 17668989), (3, 5889663), (9, 1963221), (13, 1359153), (27, 654407), (39, 453051), (71, 248859), (117, 151017), (213, 82953), (351, 50339), (639, 27651), (709, 24921), (923, 19143), (1917, 9217), (2127, 8307), (2769, 6381)]