247482837

素因数分解:

$3^3\times 7^1\times {\mathrm{659}}^1\times {\mathrm{1987}}^1$

素因数の和:2662

約数の個数: 32

約数和(自身を含む): 419865600

約数和(自身を除く): 172382763

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 659, 1977, 1987, 4613, 5931, 5961, 13839, 13909, 17793, 17883, 41517, 41727, 53649, 124551, 125181, 375543, 1309433, 3928299, 9166031, 11784897, 27498093, 35354691, 82494279, 247482837]

約数ペア:

[(1, 247482837), (3, 82494279), (7, 35354691), (9, 27498093), (21, 11784897), (27, 9166031), (63, 3928299), (189, 1309433), (659, 375543), (1977, 125181), (1987, 124551), (4613, 53649), (5931, 41727), (5961, 41517), (13839, 17883), (13909, 17793)]