16981947

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{14627}}^1$

素因数の和:14679

約数の個数: 16

約数和(自身を含む): 25745280

約数和(自身を除く): 8763333

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 14627, 43881, 131643, 394929, 628961, 1886883, 5660649, 16981947]

約数ペア:

[(1, 16981947), (3, 5660649), (9, 1886883), (27, 628961), (43, 394929), (129, 131643), (387, 43881), (1161, 14627)]