13121723

素因数分解:

${\mathrm{19}}^1\times {\mathrm{71}}^2\times {\mathrm{137}}^1$

素因数の和:298

約数の個数: 12

約数和(自身を含む): 14111880

約数和(自身を除く): 990157

約数列:

[1, 19, 71, 137, 1349, 2603, 5041, 9727, 95779, 184813, 690617, 13121723]

約数ペア:

[(1, 13121723), (19, 690617), (71, 184813), (137, 95779), (1349, 9727), (2603, 5041)]