27931959

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 80

約数和(自身を含む): 50181120

約数和(自身を除く): 22249161

約数列:

[1, 3, 9, 11, 23, 27, 29, 33, 47, 69, 81, 87, 99, 141, 207, 253, 261, 297, 319, 423, 517, 621, 667, 759, 783, 891, 957, 1081, 1269, 1363, 1551, 1863, 2001, 2277, 2349, 2871, 3243, 3807, 4089, 4653, 6003, 6831, 7337, 8613, 9729, 11891, 12267, 13959, 14993, 18009, 20493, 22011, 25839, 29187, 31349, 35673, 36801, 41877, 44979, 54027, 66033, 87561, 94047, 107019, 110403, 134937, 198099, 282141, 321057, 344839, 404811, 594297, 846423, 963171, 1034517, 1214433, 2539269, 3103551, 9310653, 27931959]

約数ペア:

[(1, 27931959), (3, 9310653), (9, 3103551), (11, 2539269), (23, 1214433), (27, 1034517), (29, 963171), (33, 846423), (47, 594297), (69, 404811), (81, 344839), (87, 321057), (99, 282141), (141, 198099), (207, 134937), (253, 110403), (261, 107019), (297, 94047), (319, 87561), (423, 66033), (517, 54027), (621, 44979), (667, 41877), (759, 36801), (783, 35673), (891, 31349), (957, 29187), (1081, 25839), (1269, 22011), (1363, 20493), (1551, 18009), (1863, 14993), (2001, 13959), (2277, 12267), (2349, 11891), (2871, 9729), (3243, 8613), (3807, 7337), (4089, 6831), (4653, 6003)]