13220319

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{4957}}^1$

素因数の和:5094

約数の個数: 16

約数和(自身を含む): 20307968

約数和(自身を除く): 7087649

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 4957, 14871, 34699, 104097, 629539, 1888617, 4406773, 13220319]

約数ペア:

[(1, 13220319), (3, 4406773), (7, 1888617), (21, 629539), (127, 104097), (381, 34699), (889, 14871), (2667, 4957)]