28166247

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{997}}^1$

素因数の和:1119

約数の個数: 24

約数和(自身を含む): 42243344

約数和(自身を除く): 14077097

約数列:

[1, 3, 9, 43, 73, 129, 219, 387, 657, 997, 2991, 3139, 8973, 9417, 28251, 42871, 72781, 128613, 218343, 385839, 655029, 3129583, 9388749, 28166247]

約数ペア:

[(1, 28166247), (3, 9388749), (9, 3129583), (43, 655029), (73, 385839), (129, 218343), (219, 128613), (387, 72781), (657, 42871), (997, 28251), (2991, 9417), (3139, 8973)]