20181069

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{3413}}^1$

素因数の和:3498

約数の個数: 20

約数和(自身を含む): 30568956

約数和(自身を除く): 10387887

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 3413, 5913, 10239, 30717, 92151, 249149, 276453, 747447, 2242341, 6727023, 20181069]

約数ペア:

[(1, 20181069), (3, 6727023), (9, 2242341), (27, 747447), (73, 276453), (81, 249149), (219, 92151), (657, 30717), (1971, 10239), (3413, 5913)]