51543621

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:487

約数の個数: 40

約数和(自身を含む): 81660480

約数和(自身を除く): 30116859

約数列:

[1, 3, 9, 23, 27, 69, 73, 81, 207, 219, 379, 621, 657, 1137, 1679, 1863, 1971, 3411, 5037, 5913, 8717, 10233, 15111, 26151, 27667, 30699, 45333, 78453, 83001, 135999, 235359, 249003, 636341, 706077, 747009, 1909023, 2241027, 5727069, 17181207, 51543621]

約数ペア:

[(1, 51543621), (3, 17181207), (9, 5727069), (23, 2241027), (27, 1909023), (69, 747009), (73, 706077), (81, 636341), (207, 249003), (219, 235359), (379, 135999), (621, 83001), (657, 78453), (1137, 45333), (1679, 30699), (1863, 27667), (1971, 26151), (3411, 15111), (5037, 10233), (5913, 8717)]