28290423

素因数分解:

$3^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{3041}}^1$

素因数の和:3494

約数の個数: 16

約数和(自身を含む): 43220736

約数和(自身を除く): 14930313

約数列:

[1, 3, 7, 21, 443, 1329, 3041, 3101, 9123, 9303, 21287, 63861, 1347163, 4041489, 9430141, 28290423]

約数ペア:

[(1, 28290423), (3, 9430141), (7, 4041489), (21, 1347163), (443, 63861), (1329, 21287), (3041, 9303), (3101, 9123)]