217506627

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:479

約数の個数: 56

約数和(自身を含む): 358066800

約数和(自身を除く): 140560173

約数列:

[1, 3, 9, 13, 27, 39, 59, 81, 117, 177, 243, 351, 389, 531, 729, 767, 1053, 1167, 1593, 2301, 3159, 3501, 4779, 5057, 6903, 9477, 10503, 14337, 15171, 20709, 22951, 31509, 43011, 45513, 62127, 68853, 94527, 136539, 186381, 206559, 283581, 298363, 409617, 559143, 619677, 895089, 1228851, 1859031, 2685267, 3686553, 5577093, 8055801, 16731279, 24167403, 72502209, 217506627]

約数ペア:

[(1, 217506627), (3, 72502209), (9, 24167403), (13, 16731279), (27, 8055801), (39, 5577093), (59, 3686553), (81, 2685267), (117, 1859031), (177, 1228851), (243, 895089), (351, 619677), (389, 559143), (531, 409617), (729, 298363), (767, 283581), (1053, 206559), (1167, 186381), (1593, 136539), (2301, 94527), (3159, 68853), (3501, 62127), (4779, 45513), (5057, 43011), (6903, 31509), (9477, 22951), (10503, 20709), (14337, 15171)]