12781728477

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{35839}}^1$

素因数の和:35912

約数の個数: 80

約数和(自身を含む): 23730094080

約数和(自身を除く): 10948365603

約数列:

[1, 3, 7, 9, 17, 21, 27, 37, 51, 63, 81, 111, 119, 153, 189, 259, 333, 357, 459, 567, 629, 777, 999, 1071, 1377, 1887, 2331, 2997, 3213, 4403, 5661, 6993, 9639, 13209, 16983, 20979, 35839, 39627, 50949, 107517, 118881, 250873, 322551, 356643, 609263, 752619, 967653, 1326043, 1827789, 2257857, 2902959, 3978129, 4264841, 5483367, 6773571, 9282301, 11934387, 12794523, 16450101, 20320713, 22542731, 27846903, 35803161, 38383569, 49350303, 67628193, 83540709, 107409483, 115150707, 157799117, 202884579, 250622127, 345452121, 473397351, 608653737, 751866381, 1420192053, 1825961211, 4260576159, 12781728477]

約数ペア:

[(1, 12781728477), (3, 4260576159), (7, 1825961211), (9, 1420192053), (17, 751866381), (21, 608653737), (27, 473397351), (37, 345452121), (51, 250622127), (63, 202884579), (81, 157799117), (111, 115150707), (119, 107409483), (153, 83540709), (189, 67628193), (259, 49350303), (333, 38383569), (357, 35803161), (459, 27846903), (567, 22542731), (629, 20320713), (777, 16450101), (999, 12794523), (1071, 11934387), (1377, 9282301), (1887, 6773571), (2331, 5483367), (2997, 4264841), (3213, 3978129), (4403, 2902959), (5661, 2257857), (6993, 1827789), (9639, 1326043), (13209, 967653), (16983, 752619), (20979, 609263), (35839, 356643), (39627, 322551), (50949, 250873), (107517, 118881)]