27787245

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 46244352

約数和(自身を除く): 18457107

約数列:

[1, 3, 5, 15, 43, 67, 129, 201, 215, 335, 643, 645, 1005, 1929, 2881, 3215, 8643, 9645, 14405, 27649, 43081, 43215, 82947, 129243, 138245, 215405, 414735, 646215, 1852483, 5557449, 9262415, 27787245]

約数ペア:

[(1, 27787245), (3, 9262415), (5, 5557449), (15, 1852483), (43, 646215), (67, 414735), (129, 215405), (201, 138245), (215, 129243), (335, 82947), (643, 43215), (645, 43081), (1005, 27649), (1929, 14405), (2881, 9645), (3215, 8643)]