243639

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:147

約数の個数: 24

約数和(自身を含む): 404352

約数和(自身を除く): 160713

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 107, 207, 253, 321, 759, 963, 1177, 2277, 2461, 3531, 7383, 10593, 22149, 27071, 81213, 243639]

約数ペア:

[(1, 243639), (3, 81213), (9, 27071), (11, 22149), (23, 10593), (33, 7383), (69, 3531), (99, 2461), (107, 2277), (207, 1177), (253, 963), (321, 759)]