287985327

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{107981}}^1$

素因数の和:108118

約数の個数: 16

約数和(自身を含む): 442294272

約数和(自身を除く): 154308945

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 107981, 323943, 755867, 2267601, 13713587, 41140761, 95995109, 287985327]

約数ペア:

[(1, 287985327), (3, 95995109), (7, 41140761), (21, 13713587), (127, 2267601), (381, 755867), (889, 323943), (2667, 107981)]