12729321

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{11689}}^1$

素因数の和:11717

約数の個数: 18

約数和(自身を含む): 20212010

約数和(自身を除く): 7482689

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 11689, 35067, 105201, 128579, 385737, 1157211, 1414369, 4243107, 12729321]

約数ペア:

[(1, 12729321), (3, 4243107), (9, 1414369), (11, 1157211), (33, 385737), (99, 128579), (121, 105201), (363, 35067), (1089, 11689)]