20174985789

素因数分解:

$3^1\times 7^1\times {\mathrm{2161}}^1\times {\mathrm{444569}}^1$

素因数の和:446740

約数の個数: 16

約数和(自身を含む): 30757130880

約数和(自身を除く): 10582145091

約数列:

[1, 3, 7, 21, 2161, 6483, 15127, 45381, 444569, 1333707, 3111983, 9335949, 960713609, 2882140827, 6724995263, 20174985789]

約数ペア:

[(1, 20174985789), (3, 6724995263), (7, 2882140827), (21, 960713609), (2161, 9335949), (6483, 3111983), (15127, 1333707), (45381, 444569)]