2839991

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{479}}^1$

素因数の和:515

約数の個数: 18

約数和(自身を含む): 3638880

約数和(自身を除く): 798889

約数列:

[1, 7, 11, 49, 77, 121, 479, 539, 847, 3353, 5269, 5929, 23471, 36883, 57959, 258181, 405713, 2839991]

約数ペア:

[(1, 2839991), (7, 405713), (11, 258181), (49, 57959), (77, 36883), (121, 23471), (479, 5929), (539, 5269), (847, 3353)]