128230641

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1667}}^1$

素因数の和:1731

約数の個数: 64

約数和(自身を含む): 243394560

約数和(自身を除く): 115163919

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 37, 63, 77, 99, 111, 189, 231, 259, 297, 333, 407, 693, 777, 999, 1221, 1667, 2079, 2331, 2849, 3663, 5001, 6993, 8547, 10989, 11669, 15003, 18337, 25641, 35007, 45009, 55011, 61679, 76923, 105021, 128359, 165033, 185037, 315063, 385077, 431753, 495099, 555111, 678469, 1155231, 1295259, 1665333, 2035407, 3465693, 3885777, 4749283, 6106221, 11657331, 14247849, 18318663, 42743547, 128230641]

約数ペア:

[(1, 128230641), (3, 42743547), (7, 18318663), (9, 14247849), (11, 11657331), (21, 6106221), (27, 4749283), (33, 3885777), (37, 3465693), (63, 2035407), (77, 1665333), (99, 1295259), (111, 1155231), (189, 678469), (231, 555111), (259, 495099), (297, 431753), (333, 385077), (407, 315063), (693, 185037), (777, 165033), (999, 128359), (1221, 105021), (1667, 76923), (2079, 61679), (2331, 55011), (2849, 45009), (3663, 35007), (5001, 25641), (6993, 18337), (8547, 15003), (10989, 11669)]