389089.0000000

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 4156416

約数和(自身を除く): 1738311

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 163, 215, 345, 489, 645, 815, 989, 2445, 2967, 3749, 4945, 7009, 11247, 14835, 18745, 21027, 35045, 56235, 105135, 161207, 483621, 806035, 2418105]

約数ペア:

[(1, 2418105), (3, 806035), (5, 483621), (15, 161207), (23, 105135), (43, 56235), (69, 35045), (115, 21027), (129, 18745), (163, 14835), (215, 11247), (345, 7009), (489, 4945), (645, 3749), (815, 2967), (989, 2445)]