128512905

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{84827}}^1$

素因数の和:84936

約数の個数: 16

約数和(自身を含む): 207658944

約数和(自身を除く): 79146039

約数列:

[1, 3, 5, 15, 101, 303, 505, 1515, 84827, 254481, 424135, 1272405, 8567527, 25702581, 42837635, 128512905]

約数ペア:

[(1, 128512905), (3, 42837635), (5, 25702581), (15, 8567527), (101, 1272405), (303, 424135), (505, 254481), (1515, 84827)]