27804015

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14369}}^1$

素因数の和:14423

約数の個数: 24

約数和(自身を含む): 49317840

約数和(自身を除く): 21513825

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 14369, 43107, 71845, 129321, 215535, 617867, 646605, 1853601, 3089335, 5560803, 9268005, 27804015]

約数ペア:

[(1, 27804015), (3, 9268005), (5, 5560803), (9, 3089335), (15, 1853601), (43, 646605), (45, 617867), (129, 215535), (215, 129321), (387, 71845), (645, 43107), (1935, 14369)]