75681243

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 128701440

約数和(自身を除く): 53020197

約数列:

[1, 3, 9, 11, 27, 33, 37, 71, 97, 99, 111, 213, 291, 297, 333, 407, 639, 781, 873, 999, 1067, 1221, 1917, 2343, 2619, 2627, 3201, 3589, 3663, 6887, 7029, 7881, 9603, 10767, 10989, 20661, 21087, 23643, 28809, 28897, 32301, 39479, 61983, 70929, 75757, 86691, 96903, 118437, 185949, 227271, 254819, 260073, 355311, 681813, 764457, 780219, 1065933, 2045439, 2293371, 2803009, 6880113, 8409027, 25227081, 75681243]

約数ペア:

[(1, 75681243), (3, 25227081), (9, 8409027), (11, 6880113), (27, 2803009), (33, 2293371), (37, 2045439), (71, 1065933), (97, 780219), (99, 764457), (111, 681813), (213, 355311), (291, 260073), (297, 254819), (333, 227271), (407, 185949), (639, 118437), (781, 96903), (873, 86691), (999, 75757), (1067, 70929), (1221, 61983), (1917, 39479), (2343, 32301), (2619, 28897), (2627, 28809), (3201, 23643), (3589, 21087), (3663, 20661), (6887, 10989), (7029, 10767), (7881, 9603)]