12390987

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{7109}}^1$

素因数の和:7202

約数の個数: 16

約数和(自身を含む): 19111680

約数和(自身を除く): 6720693

約数列:

[1, 3, 7, 21, 83, 249, 581, 1743, 7109, 21327, 49763, 149289, 590047, 1770141, 4130329, 12390987]

約数ペア:

[(1, 12390987), (3, 4130329), (7, 1770141), (21, 590047), (83, 149289), (249, 49763), (581, 21327), (1743, 7109)]