257899785

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{120233}}^1$

素因数の和:120265

約数の個数: 32

約数和(自身を含む): 484783488

約数和(自身を除く): 226883703

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 120233, 360699, 601165, 1322563, 1563029, 1803495, 3967689, 4689087, 6612815, 7815145, 17193319, 19838445, 23445435, 51579957, 85966595, 257899785]

約数ペア:

[(1, 257899785), (3, 85966595), (5, 51579957), (11, 23445435), (13, 19838445), (15, 17193319), (33, 7815145), (39, 6612815), (55, 4689087), (65, 3967689), (143, 1803495), (165, 1563029), (195, 1322563), (429, 601165), (715, 360699), (2145, 120233)]