2185905

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3389}}^1$

素因数の和:3440

約数の個数: 16

約数和(自身を含む): 3579840

約数和(自身を除く): 1393935

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 3389, 10167, 16945, 50835, 145727, 437181, 728635, 2185905]

約数ペア:

[(1, 2185905), (3, 728635), (5, 437181), (15, 145727), (43, 50835), (129, 16945), (215, 10167), (645, 3389)]