18027621

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1259}}^1$

素因数の和:1345

約数の個数: 24

約数和(自身を含む): 27387360

約数和(自身を除く): 9359739

約数列:

[1, 3, 9, 37, 43, 111, 129, 333, 387, 1259, 1591, 3777, 4773, 11331, 14319, 46583, 54137, 139749, 162411, 419247, 487233, 2003069, 6009207, 18027621]

約数ペア:

[(1, 18027621), (3, 6009207), (9, 2003069), (37, 487233), (43, 419247), (111, 162411), (129, 139749), (333, 54137), (387, 46583), (1259, 14319), (1591, 11331), (3777, 4773)]