12811887

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1019}}^1$

素因数の和:1163

約数の個数: 24

約数和(自身を含む): 20367360

約数和(自身を除く): 7555473

約数列:

[1, 3, 9, 11, 33, 99, 127, 381, 1019, 1143, 1397, 3057, 4191, 9171, 11209, 12573, 33627, 100881, 129413, 388239, 1164717, 1423543, 4270629, 12811887]

約数ペア:

[(1, 12811887), (3, 4270629), (9, 1423543), (11, 1164717), (33, 388239), (99, 129413), (127, 100881), (381, 33627), (1019, 12573), (1143, 11209), (1397, 9171), (3057, 4191)]