280189161

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1\times {\mathrm{353}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 476251776

約数和(自身を除く): 196062615

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 293, 301, 353, 387, 879, 903, 1059, 2051, 2471, 2637, 2709, 3177, 6153, 7413, 12599, 15179, 18459, 22239, 37797, 45537, 88193, 103429, 106253, 113391, 136611, 264579, 310287, 318759, 724003, 793737, 930861, 956277, 2172009, 4447447, 6516027, 13342341, 31132129, 40027023, 93396387, 280189161]

約数ペア:

[(1, 280189161), (3, 93396387), (7, 40027023), (9, 31132129), (21, 13342341), (43, 6516027), (63, 4447447), (129, 2172009), (293, 956277), (301, 930861), (353, 793737), (387, 724003), (879, 318759), (903, 310287), (1059, 264579), (2051, 136611), (2471, 113391), (2637, 106253), (2709, 103429), (3177, 88193), (6153, 45537), (7413, 37797), (12599, 22239), (15179, 18459)]