12760419

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31981}}^1$

素因数の和:32010

約数の個数: 16

約数和(自身を含む): 20468480

約数和(自身を除く): 7708061

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 31981, 95943, 223867, 607639, 671601, 1822917, 4253473, 12760419]

約数ペア:

[(1, 12760419), (3, 4253473), (7, 1822917), (19, 671601), (21, 607639), (57, 223867), (133, 95943), (399, 31981)]