27786087

素因数分解:

$3^2\times 7^3\times {\mathrm{9001}}^1$

素因数の和:9028

約数の個数: 24

約数和(自身を含む): 46810400

約数和(自身を除く): 19024313

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 9001, 27003, 63007, 81009, 189021, 441049, 567063, 1323147, 3087343, 3969441, 9262029, 27786087]

約数ペア:

[(1, 27786087), (3, 9262029), (7, 3969441), (9, 3087343), (21, 1323147), (49, 567063), (63, 441049), (147, 189021), (343, 81009), (441, 63007), (1029, 27003), (3087, 9001)]