289021689

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{797}}^1$

素因数の和:868

約数の個数: 60

約数和(自身を含む): 488004132

約数和(自身を除く): 198982443

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 121, 297, 333, 363, 407, 797, 891, 999, 1089, 1221, 2391, 2997, 3267, 3663, 4477, 7173, 8767, 9801, 10989, 13431, 21519, 26301, 29489, 32967, 40293, 64557, 78903, 88467, 96437, 120879, 236709, 265401, 289311, 324379, 362637, 710127, 796203, 867933, 973137, 2388609, 2603799, 2919411, 3568169, 7811397, 8758233, 10704507, 26274699, 32113521, 96340563, 289021689]

約数ペア:

[(1, 289021689), (3, 96340563), (9, 32113521), (11, 26274699), (27, 10704507), (33, 8758233), (37, 7811397), (81, 3568169), (99, 2919411), (111, 2603799), (121, 2388609), (297, 973137), (333, 867933), (363, 796203), (407, 710127), (797, 362637), (891, 324379), (999, 289311), (1089, 265401), (1221, 236709), (2391, 120879), (2997, 96437), (3267, 88467), (3663, 78903), (4477, 64557), (7173, 40293), (8767, 32967), (9801, 29489), (10989, 26301), (13431, 21519)]