128514315

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199247}}^1$

素因数の和:199298

約数の個数: 16

約数和(自身を含む): 210405888

約数和(自身を除く): 81891573

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 199247, 597741, 996235, 2988705, 8567621, 25702863, 42838105, 128514315]

約数ペア:

[(1, 128514315), (3, 42838105), (5, 25702863), (15, 8567621), (43, 2988705), (129, 996235), (215, 597741), (645, 199247)]