201528639

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{839}}^1\times {\mathrm{2053}}^1$

素因数の和:2911

約数の個数: 24

約数和(自身を含む): 314015520

約数和(自身を除く): 112486881

約数列:

[1, 3, 9, 13, 39, 117, 839, 2053, 2517, 6159, 7551, 10907, 18477, 26689, 32721, 80067, 98163, 240201, 1722467, 5167401, 15502203, 22392071, 67176213, 201528639]

約数ペア:

[(1, 201528639), (3, 67176213), (9, 22392071), (13, 15502203), (39, 5167401), (117, 1722467), (839, 240201), (2053, 98163), (2517, 80067), (6159, 32721), (7551, 26689), (10907, 18477)]