42390297

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:259

約数の個数: 40

約数和(自身を含む): 65758176

約数和(自身を除く): 23367879

約数列:

[1, 3, 9, 27, 67, 73, 81, 107, 201, 219, 321, 603, 657, 963, 1809, 1971, 2889, 4891, 5427, 5913, 7169, 7811, 8667, 14673, 21507, 23433, 44019, 64521, 70299, 132057, 193563, 210897, 396171, 523337, 580689, 632691, 1570011, 4710033, 14130099, 42390297]

約数ペア:

[(1, 42390297), (3, 14130099), (9, 4710033), (27, 1570011), (67, 632691), (73, 580689), (81, 523337), (107, 396171), (201, 210897), (219, 193563), (321, 132057), (603, 70299), (657, 64521), (963, 44019), (1809, 23433), (1971, 21507), (2889, 14673), (4891, 8667), (5427, 7811), (5913, 7169)]