28785321

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{26003}}^1$

素因数の和:26053

約数の個数: 16

約数和(自身を含む): 43686720

約数和(自身を除く): 14901399

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 26003, 78009, 234027, 702081, 1066123, 3198369, 9595107, 28785321]

約数ペア:

[(1, 28785321), (3, 9595107), (9, 3198369), (27, 1066123), (41, 702081), (123, 234027), (369, 78009), (1107, 26003)]