2605248009

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{24659}}^1$

素因数の和:24731

約数の個数: 64

約数和(自身を含む): 4860979200

約数和(自身を除く): 2255731191

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 43, 63, 91, 117, 129, 189, 273, 301, 351, 387, 559, 819, 903, 1161, 1677, 2457, 2709, 3913, 5031, 8127, 11739, 15093, 24659, 35217, 73977, 105651, 172613, 221931, 320567, 517839, 665793, 961701, 1060337, 1553517, 2243969, 2885103, 3181011, 4660551, 6731907, 7422359, 8655309, 9543033, 13784381, 20195721, 22267077, 28629099, 41353143, 60587163, 66801231, 96490667, 124059429, 200403693, 289472001, 372178287, 868416003, 2605248009]

約数ペア:

[(1, 2605248009), (3, 868416003), (7, 372178287), (9, 289472001), (13, 200403693), (21, 124059429), (27, 96490667), (39, 66801231), (43, 60587163), (63, 41353143), (91, 28629099), (117, 22267077), (129, 20195721), (189, 13784381), (273, 9543033), (301, 8655309), (351, 7422359), (387, 6731907), (559, 4660551), (819, 3181011), (903, 2885103), (1161, 2243969), (1677, 1553517), (2457, 1060337), (2709, 961701), (3913, 665793), (5031, 517839), (8127, 320567), (11739, 221931), (15093, 172613), (24659, 105651), (35217, 73977)]