209920023

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{1733}}^1$

素因数の和:2095

約数の個数: 24

約数和(自身を含む): 311440272

約数和(自身を除く): 101520249

約数列:

[1, 3, 9, 43, 129, 313, 387, 939, 1733, 2817, 5199, 13459, 15597, 40377, 74519, 121131, 223557, 542429, 670671, 1627287, 4881861, 23324447, 69973341, 209920023]

約数ペア:

[(1, 209920023), (3, 69973341), (9, 23324447), (43, 4881861), (129, 1627287), (313, 670671), (387, 542429), (939, 223557), (1733, 121131), (2817, 74519), (5199, 40377), (13459, 15597)]