27321057

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19841}}^1$

素因数の和:19870

約数の個数: 20

約数和(自身を含む): 43215876

約数和(自身を除く): 15894819

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 19841, 59523, 178569, 337297, 535707, 1011891, 1607121, 3035673, 9107019, 27321057]

約数ペア:

[(1, 27321057), (3, 9107019), (9, 3035673), (17, 1607121), (27, 1011891), (51, 535707), (81, 337297), (153, 178569), (459, 59523), (1377, 19841)]