40139991

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{8431}}^1$

素因数の和:8483

約数の個数: 18

約数和(自身を含む): 60617648

約数和(自身を除く): 20477657

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4761, 8431, 25293, 75879, 193913, 581739, 1745217, 4459999, 13379997, 40139991]

約数ペア:

[(1, 40139991), (3, 13379997), (9, 4459999), (23, 1745217), (69, 581739), (207, 193913), (529, 75879), (1587, 25293), (4761, 8431)]