16321887

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{997}}^1$

素因数の和:1127

約数の個数: 24

約数和(自身を含む): 25221456

約数和(自身を除く): 8899569

約数列:

[1, 3, 9, 17, 51, 107, 153, 321, 963, 997, 1819, 2991, 5457, 8973, 16371, 16949, 50847, 106679, 152541, 320037, 960111, 1813543, 5440629, 16321887]

約数ペア:

[(1, 16321887), (3, 5440629), (9, 1813543), (17, 960111), (51, 320037), (107, 152541), (153, 106679), (321, 50847), (963, 16949), (997, 16371), (1819, 8973), (2991, 5457)]