27807885

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2053}}^1$

素因数の和:2114

約数の個数: 48

約数和(自身を含む): 56394624

約数和(自身を除く): 28586739

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 215, 301, 315, 387, 645, 903, 1505, 1935, 2053, 2709, 4515, 6159, 10265, 13545, 14371, 18477, 30795, 43113, 71855, 88279, 92385, 129339, 215565, 264837, 441395, 617953, 646695, 794511, 1324185, 1853859, 3089765, 3972555, 5561577, 9269295, 27807885]

約数ペア:

[(1, 27807885), (3, 9269295), (5, 5561577), (7, 3972555), (9, 3089765), (15, 1853859), (21, 1324185), (35, 794511), (43, 646695), (45, 617953), (63, 441395), (105, 264837), (129, 215565), (215, 129339), (301, 92385), (315, 88279), (387, 71855), (645, 43113), (903, 30795), (1505, 18477), (1935, 14371), (2053, 13545), (2709, 10265), (4515, 6159)]