4247439

素因数分解:

$3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{787}}^1$

素因数の和:1054

約数の個数: 16

約数和(自身を含む): 6505728

約数和(自身を除く): 2258289

約数列:

[1, 3, 7, 21, 257, 771, 787, 1799, 2361, 5397, 5509, 16527, 202259, 606777, 1415813, 4247439]

約数ペア:

[(1, 4247439), (3, 1415813), (7, 606777), (21, 202259), (257, 16527), (771, 5509), (787, 5397), (1799, 2361)]