17928891

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{28871}}^1$

素因数の和:28903

約数の個数: 16

約数和(自身を含む): 27717120

約数和(自身を除く): 9788229

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 28871, 86613, 259839, 664033, 779517, 1992099, 5976297, 17928891]

約数ペア:

[(1, 17928891), (3, 5976297), (9, 1992099), (23, 779517), (27, 664033), (69, 259839), (207, 86613), (621, 28871)]