861045

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{419}}^1$

素因数の和:564

約数の個数: 16

約数和(自身を含む): 1391040

約数和(自身を除く): 529995

約数列:

[1, 3, 5, 15, 137, 411, 419, 685, 1257, 2055, 2095, 6285, 57403, 172209, 287015, 861045]

約数ペア:

[(1, 861045), (3, 287015), (5, 172209), (15, 57403), (137, 6285), (411, 2095), (419, 2055), (685, 1257)]