256369827

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{283909}}^1$

素因数の和:283962

約数の個数: 16

約数和(自身を含む): 399745280

約数和(自身を除く): 143375453

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 283909, 851727, 1987363, 5962089, 12208087, 36624261, 85456609, 256369827]

約数ペア:

[(1, 256369827), (3, 85456609), (7, 36624261), (21, 12208087), (43, 5962089), (129, 1987363), (301, 851727), (903, 283909)]