16964661

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{18787}}^1$

素因数の和:18840

約数の個数: 16

約数和(自身を含む): 26453504

約数和(自身を除く): 9488843

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 18787, 56361, 131509, 394527, 807841, 2423523, 5654887, 16964661]

約数ペア:

[(1, 16964661), (3, 5654887), (7, 2423523), (21, 807841), (43, 394527), (129, 131509), (301, 56361), (903, 18787)]