278364177

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{1201}}^1$

素因数の和:1510

約数の個数: 48

約数和(自身を含む): 497031808

約数和(自身を除く): 218667631

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 283, 819, 849, 1201, 1981, 2547, 3603, 3679, 5943, 8407, 10809, 11037, 15613, 17829, 25221, 25753, 33111, 46839, 75663, 77259, 109291, 140517, 231777, 327873, 339883, 983619, 1019649, 2379181, 3058947, 4418479, 7137543, 13255437, 21412629, 30929353, 39766311, 92788059, 278364177]

約数ペア:

[(1, 278364177), (3, 92788059), (7, 39766311), (9, 30929353), (13, 21412629), (21, 13255437), (39, 7137543), (63, 4418479), (91, 3058947), (117, 2379181), (273, 1019649), (283, 983619), (819, 339883), (849, 327873), (1201, 231777), (1981, 140517), (2547, 109291), (3603, 77259), (3679, 75663), (5943, 46839), (8407, 33111), (10809, 25753), (11037, 25221), (15613, 17829)]