18165393

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 27259232

約数和(自身を除く): 9093839

約数列:

[1, 3, 9, 43, 73, 129, 219, 387, 643, 657, 1929, 3139, 5787, 9417, 27649, 28251, 46939, 82947, 140817, 248841, 422451, 2018377, 6055131, 18165393]

約数ペア:

[(1, 18165393), (3, 6055131), (9, 2018377), (43, 422451), (73, 248841), (129, 140817), (219, 82947), (387, 46939), (643, 28251), (657, 27649), (1929, 9417), (3139, 5787)]