18698121

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{1973}}^1$

素因数の和:2004

約数の個数: 28

約数和(自身を含む): 30206148

約数和(自身を除く): 11508027

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 1973, 3159, 5919, 9477, 17757, 25649, 53271, 76947, 159813, 230841, 479439, 692523, 1438317, 2077569, 6232707, 18698121]

約数ペア:

[(1, 18698121), (3, 6232707), (9, 2077569), (13, 1438317), (27, 692523), (39, 479439), (81, 230841), (117, 159813), (243, 76947), (351, 53271), (729, 25649), (1053, 17757), (1973, 9477), (3159, 5919)]