2181729

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3889}}^1$

素因数の和:3920

約数の個数: 16

約数和(自身を含む): 3360960

約数和(自身を除く): 1179231

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 3889, 11667, 42779, 66113, 128337, 198339, 727243, 2181729]

約数ペア:

[(1, 2181729), (3, 727243), (11, 198339), (17, 128337), (33, 66113), (51, 42779), (187, 11667), (561, 3889)]