11981321

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 24

約数和(自身を含む): 14333760

約数和(自身を除く): 2352439

約数列:

[1, 11, 23, 29, 71, 253, 319, 529, 667, 781, 1633, 2059, 5819, 7337, 15341, 17963, 22649, 37559, 47357, 168751, 413149, 520927, 1089211, 11981321]

約数ペア:

[(1, 11981321), (11, 1089211), (23, 520927), (29, 413149), (71, 168751), (253, 47357), (319, 37559), (529, 22649), (667, 17963), (781, 15341), (1633, 7337), (2059, 5819)]