388304835

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{12809}}^1$

素因数の和:12907

約数の個数: 32

約数和(自身を含む): 649313280

約数和(自身を除く): 261008445

約数列:

[1, 3, 5, 15, 43, 47, 129, 141, 215, 235, 645, 705, 2021, 6063, 10105, 12809, 30315, 38427, 64045, 192135, 550787, 602023, 1652361, 1806069, 2753935, 3010115, 8261805, 9030345, 25886989, 77660967, 129434945, 388304835]

約数ペア:

[(1, 388304835), (3, 129434945), (5, 77660967), (15, 25886989), (43, 9030345), (47, 8261805), (129, 3010115), (141, 2753935), (215, 1806069), (235, 1652361), (645, 602023), (705, 550787), (2021, 192135), (6063, 64045), (10105, 38427), (12809, 30315)]