2808429

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{673}}^1$

素因数の和:796

約数の個数: 16

約数和(自身を含む): 4076352

約数和(自身を除く): 1267923

約数列:

[1, 3, 13, 39, 107, 321, 673, 1391, 2019, 4173, 8749, 26247, 72011, 216033, 936143, 2808429]

約数ペア:

[(1, 2808429), (3, 936143), (13, 216033), (39, 72011), (107, 26247), (321, 8749), (673, 4173), (1391, 2019)]