28411857

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{14821}}^1$

素因数の和:14901

約数の個数: 16

約数和(自身を含む): 42687360

約数和(自身を除く): 14275503

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 14821, 44463, 133389, 400167, 1052291, 3156873, 9470619, 28411857]

約数ペア:

[(1, 28411857), (3, 9470619), (9, 3156873), (27, 1052291), (71, 400167), (213, 133389), (639, 44463), (1917, 14821)]