11199881

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{1889}}^1$

素因数の和:1925

約数の個数: 18

約数和(自身を含む): 14328090

約数和(自身を除く): 3128209

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 1889, 5929, 13223, 20779, 92561, 145453, 228569, 1018171, 1599983, 11199881]

約数ペア:

[(1, 11199881), (7, 1599983), (11, 1018171), (49, 228569), (77, 145453), (121, 92561), (539, 20779), (847, 13223), (1889, 5929)]