19560003

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{701}}^1$

素因数の和:906

約数の個数: 16

約数和(自身を含む): 26687232

約数和(自身を除く): 7127229

約数列:

[1, 3, 71, 131, 213, 393, 701, 2103, 9301, 27903, 49771, 91831, 149313, 275493, 6520001, 19560003]

約数ペア:

[(1, 19560003), (3, 6520001), (71, 275493), (131, 149313), (213, 91831), (393, 49771), (701, 27903), (2103, 9301)]