27967779

素因数分解:

$3^2\times 7^2\times {\mathrm{63419}}^1$

素因数の和:63439

約数の個数: 18

約数和(自身を含む): 46994220

約数和(自身を除く): 19026441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 63419, 190257, 443933, 570771, 1331799, 3107531, 3995397, 9322593, 27967779]

約数ペア:

[(1, 27967779), (3, 9322593), (7, 3995397), (9, 3107531), (21, 1331799), (49, 570771), (63, 443933), (147, 190257), (441, 63419)]