11981889

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1103}}^1$

素因数の和:1197

約数の個数: 24

約数和(自身を含む): 18600192

約数和(自身を除く): 6618303

約数列:

[1, 3, 9, 17, 51, 71, 153, 213, 639, 1103, 1207, 3309, 3621, 9927, 10863, 18751, 56253, 78313, 168759, 234939, 704817, 1331321, 3993963, 11981889]

約数ペア:

[(1, 11981889), (3, 3993963), (9, 1331321), (17, 704817), (51, 234939), (71, 168759), (153, 78313), (213, 56253), (639, 18751), (1103, 10863), (1207, 9927), (3309, 3621)]