280516203

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:254

約数の個数: 80

約数和(自身を含む): 480251904

約数和(自身を除く): 199735701

約数列:

[1, 3, 9, 11, 27, 33, 37, 67, 81, 99, 111, 127, 201, 297, 333, 381, 407, 603, 737, 891, 999, 1143, 1221, 1397, 1809, 2211, 2479, 2997, 3429, 3663, 4191, 4699, 5427, 6633, 7437, 8509, 10287, 10989, 12573, 14097, 19899, 22311, 25527, 27269, 32967, 37719, 42291, 51689, 59697, 66933, 76581, 81807, 93599, 113157, 126873, 155067, 200799, 229743, 245421, 280797, 314833, 380619, 465201, 689229, 736263, 842391, 944499, 1395603, 2208789, 2527173, 2833497, 3463163, 4186809, 7581519, 8500491, 10389489, 25501473, 31168467, 93505401, 280516203]

約数ペア:

[(1, 280516203), (3, 93505401), (9, 31168467), (11, 25501473), (27, 10389489), (33, 8500491), (37, 7581519), (67, 4186809), (81, 3463163), (99, 2833497), (111, 2527173), (127, 2208789), (201, 1395603), (297, 944499), (333, 842391), (381, 736263), (407, 689229), (603, 465201), (737, 380619), (891, 314833), (999, 280797), (1143, 245421), (1221, 229743), (1397, 200799), (1809, 155067), (2211, 126873), (2479, 113157), (2997, 93599), (3429, 81807), (3663, 76581), (4191, 66933), (4699, 59697), (5427, 51689), (6633, 42291), (7437, 37719), (8509, 32967), (10287, 27269), (10989, 25527), (12573, 22311), (14097, 19899)]