20161644309

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{14641717}}^1$

素因数の和:14641746

約数の個数: 20

約数和(自身を含む): 31889661804

約数和(自身を除く): 11728017495

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 14641717, 43925151, 131775453, 248909189, 395326359, 746727567, 1185979077, 2240182701, 6720548103, 20161644309]

約数ペア:

[(1, 20161644309), (3, 6720548103), (9, 2240182701), (17, 1185979077), (27, 746727567), (51, 395326359), (81, 248909189), (153, 131775453), (459, 43925151), (1377, 14641717)]