28909899

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{8431}}^1$

素因数の和:8567

約数の個数: 16

約数和(自身を含む): 43171840

約数和(自身を除く): 14261941

約数列:

[1, 3, 9, 27, 127, 381, 1143, 3429, 8431, 25293, 75879, 227637, 1070737, 3212211, 9636633, 28909899]

約数ペア:

[(1, 28909899), (3, 9636633), (9, 3212211), (27, 1070737), (127, 227637), (381, 75879), (1143, 25293), (3429, 8431)]