180081

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:141

約数の個数: 24

約数和(自身を含む): 303264

約数和(自身を除く): 123183

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 107, 153, 187, 321, 561, 963, 1177, 1683, 1819, 3531, 5457, 10593, 16371, 20009, 60027, 180081]

約数ペア:

[(1, 180081), (3, 60027), (9, 20009), (11, 16371), (17, 10593), (33, 5457), (51, 3531), (99, 1819), (107, 1683), (153, 1177), (187, 963), (321, 561)]