27689205

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{42929}}^1$

素因数の和:42980

約数の個数: 16

約数和(自身を含む): 45334080

約数和(自身を除く): 17644875

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 42929, 128787, 214645, 643935, 1845947, 5537841, 9229735, 27689205]

約数ペア:

[(1, 27689205), (3, 9229735), (5, 5537841), (15, 1845947), (43, 643935), (129, 214645), (215, 128787), (645, 42929)]