2019731721

素因数分解:

$3^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{307277}}^1$

素因数の和:307600

約数の個数: 16

約数和(自身を含む): 3087529344

約数和(自身を除く): 1067797623

約数列:

[1, 3, 7, 21, 313, 939, 2191, 6573, 307277, 921831, 2150939, 6452817, 96177701, 288533103, 673243907, 2019731721]

約数ペア:

[(1, 2019731721), (3, 673243907), (7, 288533103), (21, 96177701), (313, 6452817), (939, 2150939), (2191, 921831), (6573, 307277)]