2556477

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:79

約数の個数: 72

約数和(自身を含む): 5121792

約数和(自身を除く): 2565315

約数列:

[1, 3, 7, 9, 11, 17, 21, 31, 33, 49, 51, 63, 77, 93, 99, 119, 147, 153, 187, 217, 231, 279, 341, 357, 441, 527, 539, 561, 651, 693, 833, 1023, 1071, 1309, 1519, 1581, 1617, 1683, 1953, 2387, 2499, 3069, 3689, 3927, 4557, 4743, 4851, 5797, 7161, 7497, 9163, 11067, 11781, 13671, 16709, 17391, 21483, 25823, 27489, 33201, 40579, 50127, 52173, 77469, 82467, 121737, 150381, 232407, 284053, 365211, 852159, 2556477]

約数ペア:

[(1, 2556477), (3, 852159), (7, 365211), (9, 284053), (11, 232407), (17, 150381), (21, 121737), (31, 82467), (33, 77469), (49, 52173), (51, 50127), (63, 40579), (77, 33201), (93, 27489), (99, 25823), (119, 21483), (147, 17391), (153, 16709), (187, 13671), (217, 11781), (231, 11067), (279, 9163), (341, 7497), (357, 7161), (441, 5797), (527, 4851), (539, 4743), (561, 4557), (651, 3927), (693, 3689), (833, 3069), (1023, 2499), (1071, 2387), (1309, 1953), (1519, 1683), (1581, 1617)]