247986621

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{16411}}^1$

素因数の和:16513

約数の個数: 24

約数和(自身を含む): 378920256

約数和(自身を除く): 130933635

約数列:

[1, 3, 9, 23, 69, 73, 207, 219, 657, 1679, 5037, 15111, 16411, 49233, 147699, 377453, 1132359, 1198003, 3397077, 3594009, 10782027, 27554069, 82662207, 247986621]

約数ペア:

[(1, 247986621), (3, 82662207), (9, 27554069), (23, 10782027), (69, 3594009), (73, 3397077), (207, 1198003), (219, 1132359), (657, 377453), (1679, 147699), (5037, 49233), (15111, 16411)]