17815869

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:239

約数の個数: 40

約数和(自身を含む): 28366272

約数和(自身を除く): 10550403

約数列:

[1, 3, 9, 23, 27, 69, 73, 81, 131, 207, 219, 393, 621, 657, 1179, 1679, 1863, 1971, 3013, 3537, 5037, 5913, 9039, 9563, 10611, 15111, 27117, 28689, 45333, 81351, 86067, 135999, 219949, 244053, 258201, 659847, 774603, 1979541, 5938623, 17815869]

約数ペア:

[(1, 17815869), (3, 5938623), (9, 1979541), (23, 774603), (27, 659847), (69, 258201), (73, 244053), (81, 219949), (131, 135999), (207, 86067), (219, 81351), (393, 45333), (621, 28689), (657, 27117), (1179, 15111), (1679, 10611), (1863, 9563), (1971, 9039), (3013, 5913), (3537, 5037)]