2009452221

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{105967}}^1$

素因数の和:106030

約数の個数: 36

約数和(自身を含む): 3454980672

約数和(自身を除く): 1445528451

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 301, 387, 441, 903, 2107, 2709, 6321, 18963, 105967, 317901, 741769, 953703, 2225307, 4556581, 5192383, 6675921, 13669743, 15577149, 31896067, 41009229, 46731447, 95688201, 223272469, 287064603, 669817407, 2009452221]

約数ペア:

[(1, 2009452221), (3, 669817407), (7, 287064603), (9, 223272469), (21, 95688201), (43, 46731447), (49, 41009229), (63, 31896067), (129, 15577149), (147, 13669743), (301, 6675921), (387, 5192383), (441, 4556581), (903, 2225307), (2107, 953703), (2709, 741769), (6321, 317901), (18963, 105967)]