240005997

素因数分解:

$3^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 456228864

約数和(自身を除く): 216222867

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 101, 127, 189, 231, 243, 297, 303, 381, 567, 693, 707, 889, 891, 909, 1111, 1143, 1397, 1701, 2079, 2121, 2667, 2673, 2727, 3333, 3429, 4191, 6237, 6363, 7777, 8001, 8181, 9779, 9999, 10287, 12573, 12827, 18711, 19089, 23331, 24003, 24543, 29337, 29997, 30861, 37719, 38481, 57267, 69993, 72009, 88011, 89789, 89991, 113157, 115443, 141097, 171801, 209979, 216027, 264033, 269367, 269973, 339471, 346329, 423291, 629937, 792099, 808101, 987679, 1038987, 1269873, 1889811, 2376297, 2424303, 2963037, 3116961, 3809619, 7272909, 8889111, 11428857, 21818727, 26667333, 34286571, 80001999, 240005997]

約数ペア:

[(1, 240005997), (3, 80001999), (7, 34286571), (9, 26667333), (11, 21818727), (21, 11428857), (27, 8889111), (33, 7272909), (63, 3809619), (77, 3116961), (81, 2963037), (99, 2424303), (101, 2376297), (127, 1889811), (189, 1269873), (231, 1038987), (243, 987679), (297, 808101), (303, 792099), (381, 629937), (567, 423291), (693, 346329), (707, 339471), (889, 269973), (891, 269367), (909, 264033), (1111, 216027), (1143, 209979), (1397, 171801), (1701, 141097), (2079, 115443), (2121, 113157), (2667, 89991), (2673, 89789), (2727, 88011), (3333, 72009), (3429, 69993), (4191, 57267), (6237, 38481), (6363, 37719), (7777, 30861), (8001, 29997), (8181, 29337), (9779, 24543), (9999, 24003), (10287, 23331), (12573, 19089), (12827, 18711)]