81766719

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{178141}}^1$

素因数の和:178167

約数の個数: 16

約数和(自身を含む): 128262240

約数和(自身を除く): 46495521

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 178141, 534423, 1603269, 3028397, 4809807, 9085191, 27255573, 81766719]

約数ペア:

[(1, 81766719), (3, 27255573), (9, 9085191), (17, 4809807), (27, 3028397), (51, 1603269), (153, 534423), (459, 178141)]