16428987

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 26968032

約数和(自身を除く): 10539045

約数列:

[1, 3, 9, 17, 27, 41, 51, 81, 97, 123, 153, 243, 291, 369, 459, 697, 873, 1107, 1377, 1649, 2091, 2619, 3321, 3977, 4131, 4947, 6273, 7857, 9963, 11931, 14841, 18819, 23571, 35793, 44523, 56457, 67609, 107379, 133569, 169371, 202827, 322137, 400707, 608481, 966411, 1825443, 5476329, 16428987]

約数ペア:

[(1, 16428987), (3, 5476329), (9, 1825443), (17, 966411), (27, 608481), (41, 400707), (51, 322137), (81, 202827), (97, 169371), (123, 133569), (153, 107379), (243, 67609), (291, 56457), (369, 44523), (459, 35793), (697, 23571), (873, 18819), (1107, 14841), (1377, 11931), (1649, 9963), (2091, 7857), (2619, 6273), (3321, 4947), (3977, 4131)]