1421787991

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1571}}^1\times {\mathrm{1619}}^1$

素因数の和:3246

約数の個数: 16

約数和(自身を含む): 1568730240

約数和(自身を除く): 146942249

約数列:

[1, 13, 43, 559, 1571, 1619, 20423, 21047, 67553, 69617, 878189, 905021, 2543449, 33064837, 109368307, 1421787991]

約数ペア:

[(1, 1421787991), (13, 109368307), (43, 33064837), (559, 2543449), (1571, 905021), (1619, 878189), (20423, 69617), (21047, 67553)]