8691891

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 13128192

約数和(自身を除く): 4436301

約数列:

[1, 3, 13, 39, 43, 71, 73, 129, 213, 219, 559, 923, 949, 1677, 2769, 2847, 3053, 3139, 5183, 9159, 9417, 15549, 39689, 40807, 67379, 119067, 122421, 202137, 222869, 668607, 2897297, 8691891]

約数ペア:

[(1, 8691891), (3, 2897297), (13, 668607), (39, 222869), (43, 202137), (71, 122421), (73, 119067), (129, 67379), (213, 40807), (219, 39689), (559, 15549), (923, 9417), (949, 9159), (1677, 5183), (2769, 3139), (2847, 3053)]