1223991

素因数分解:

$3^6\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:114

約数の個数: 28

約数和(自身を含む): 1941168

約数和(自身を除く): 717177

約数列:

[1, 3, 9, 23, 27, 69, 73, 81, 207, 219, 243, 621, 657, 729, 1679, 1863, 1971, 5037, 5589, 5913, 15111, 16767, 17739, 45333, 53217, 135999, 407997, 1223991]

約数ペア:

[(1, 1223991), (3, 407997), (9, 135999), (23, 53217), (27, 45333), (69, 17739), (73, 16767), (81, 15111), (207, 5913), (219, 5589), (243, 5037), (621, 1971), (657, 1863), (729, 1679)]