17888971257

素因数分解:

$3^4\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:537

約数の個数: 120

約数和(自身を含む): 29944259136

約数和(自身を除く): 12055287879

約数列:

[1, 3, 9, 19, 23, 27, 57, 67, 69, 81, 171, 201, 207, 361, 397, 437, 513, 603, 621, 1083, 1191, 1273, 1311, 1539, 1541, 1809, 1863, 3249, 3573, 3819, 3933, 4623, 5427, 7543, 8303, 9131, 9747, 10719, 11457, 11799, 13869, 22629, 24187, 24909, 26599, 27393, 29241, 29279, 32157, 34371, 35397, 41607, 67887, 72561, 74727, 79797, 82179, 87837, 103113, 124821, 143317, 173489, 203661, 217683, 224181, 239391, 246537, 263511, 429951, 505381, 520467, 556301, 610983, 611777, 653049, 672543, 718173, 739611, 790533, 1289853, 1516143, 1561401, 1668903, 1835331, 1959147, 2154519, 2371599, 3296291, 3869559, 4548429, 4684203, 5006709, 5505993, 9602239, 9888873, 11608677, 11623763, 13645287, 14052609, 15020127, 16517979, 28806717, 29666619, 34871289, 40935861, 45060381, 49553937, 86420151, 88999857, 104613867, 220851497, 259260453, 266999571, 313841601, 662554491, 777781359, 941524803, 1987663473, 5962990419, 17888971257]

約数ペア:

[(1, 17888971257), (3, 5962990419), (9, 1987663473), (19, 941524803), (23, 777781359), (27, 662554491), (57, 313841601), (67, 266999571), (69, 259260453), (81, 220851497), (171, 104613867), (201, 88999857), (207, 86420151), (361, 49553937), (397, 45060381), (437, 40935861), (513, 34871289), (603, 29666619), (621, 28806717), (1083, 16517979), (1191, 15020127), (1273, 14052609), (1311, 13645287), (1539, 11623763), (1541, 11608677), (1809, 9888873), (1863, 9602239), (3249, 5505993), (3573, 5006709), (3819, 4684203), (3933, 4548429), (4623, 3869559), (5427, 3296291), (7543, 2371599), (8303, 2154519), (9131, 1959147), (9747, 1835331), (10719, 1668903), (11457, 1561401), (11799, 1516143), (13869, 1289853), (22629, 790533), (24187, 739611), (24909, 718173), (26599, 672543), (27393, 653049), (29241, 611777), (29279, 610983), (32157, 556301), (34371, 520467), (35397, 505381), (41607, 429951), (67887, 263511), (72561, 246537), (74727, 239391), (79797, 224181), (82179, 217683), (87837, 203661), (103113, 173489), (124821, 143317)]