1257316479

素因数分解:

$3^3\times {\mathrm{251}}^1\times {\mathrm{185527}}^1$

素因数の和:185787

約数の個数: 16

約数和(自身を含む): 1870122240

約数和(自身を除く): 612805761

約数列:

[1, 3, 9, 27, 251, 753, 2259, 6777, 185527, 556581, 1669743, 5009229, 46567277, 139701831, 419105493, 1257316479]

約数ペア:

[(1, 1257316479), (3, 419105493), (9, 139701831), (27, 46567277), (251, 5009229), (753, 1669743), (2259, 556581), (6777, 185527)]