13870359

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{1571}}^1$

素因数の和:1692

約数の個数: 20

約数和(自身を含む): 20923320

約数和(自身を除く): 7052961

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 1571, 2943, 4713, 8829, 14139, 42417, 127251, 171239, 513717, 1541151, 4623453, 13870359]

約数ペア:

[(1, 13870359), (3, 4623453), (9, 1541151), (27, 513717), (81, 171239), (109, 127251), (327, 42417), (981, 14139), (1571, 8829), (2943, 4713)]