71778483

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 127724688

約数和(自身を除く): 55946205

約数列:

[1, 3, 7, 9, 21, 37, 49, 53, 63, 83, 111, 147, 159, 249, 259, 333, 371, 441, 477, 581, 747, 777, 1113, 1743, 1813, 1961, 2331, 2597, 3071, 3339, 4067, 4399, 5229, 5439, 5883, 7791, 9213, 12201, 13197, 13727, 16317, 17649, 21497, 23373, 27639, 30793, 36603, 39591, 41181, 64491, 92379, 96089, 123543, 150479, 162763, 193473, 215551, 277137, 288267, 451437, 488289, 646653, 864801, 1139341, 1354311, 1464867, 1939959, 3418023, 7975387, 10254069, 23926161, 71778483]

約数ペア:

[(1, 71778483), (3, 23926161), (7, 10254069), (9, 7975387), (21, 3418023), (37, 1939959), (49, 1464867), (53, 1354311), (63, 1139341), (83, 864801), (111, 646653), (147, 488289), (159, 451437), (249, 288267), (259, 277137), (333, 215551), (371, 193473), (441, 162763), (477, 150479), (581, 123543), (747, 96089), (777, 92379), (1113, 64491), (1743, 41181), (1813, 39591), (1961, 36603), (2331, 30793), (2597, 27639), (3071, 23373), (3339, 21497), (4067, 17649), (4399, 16317), (5229, 13727), (5439, 13197), (5883, 12201), (7791, 9213)]