7127981

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 9028800

約数和(自身を除く): 1900819

約数列:

[1, 7, 17, 43, 49, 119, 199, 301, 731, 833, 1393, 2107, 3383, 5117, 8557, 9751, 23681, 35819, 59899, 145469, 165767, 419293, 1018283, 7127981]

約数ペア:

[(1, 7127981), (7, 1018283), (17, 419293), (43, 165767), (49, 145469), (119, 59899), (199, 35819), (301, 23681), (731, 9751), (833, 8557), (1393, 5117), (2107, 3383)]