9828459

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{1709}}^1$

素因数の和:1792

約数の個数: 20

約数和(自身を含む): 14897520

約数和(自身を除く): 5069061

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1709, 1917, 5127, 5751, 15381, 46143, 121339, 138429, 364017, 1092051, 3276153, 9828459]

約数ペア:

[(1, 9828459), (3, 3276153), (9, 1092051), (27, 364017), (71, 138429), (81, 121339), (213, 46143), (639, 15381), (1709, 5751), (1917, 5127)]