1272135123

素因数分解:

$3^2\times 7^1\times {\mathrm{1103}}^1\times {\mathrm{18307}}^1$

素因数の和:19423

約数の個数: 24

約数和(自身を含む): 2102051328

約数和(自身を除く): 829916205

約数列:

[1, 3, 7, 9, 21, 63, 1103, 3309, 7721, 9927, 18307, 23163, 54921, 69489, 128149, 164763, 384447, 1153341, 20192621, 60577863, 141348347, 181733589, 424045041, 1272135123]

約数ペア:

[(1, 1272135123), (3, 424045041), (7, 181733589), (9, 141348347), (21, 60577863), (63, 20192621), (1103, 1153341), (3309, 384447), (7721, 164763), (9927, 128149), (18307, 69489), (23163, 54921)]