28185843

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{22003}}^1$

素因数の和:22074

約数の個数: 16

約数和(自身を含む): 43655936

約数和(自身を除く): 15470093

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 22003, 66009, 154021, 462063, 1342183, 4026549, 9395281, 28185843]

約数ペア:

[(1, 28185843), (3, 9395281), (7, 4026549), (21, 1342183), (61, 462063), (183, 154021), (427, 66009), (1281, 22003)]