51643767

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1823}}^1$

素因数の和:1923

約数の個数: 32

約数和(自身を含む): 84049920

約数和(自身を除く): 32406153

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1349, 1491, 1823, 4047, 5469, 9443, 12761, 28329, 34637, 38283, 103911, 129433, 242459, 388299, 727377, 906031, 2459227, 2718093, 7377681, 17214589, 51643767]

約数ペア:

[(1, 51643767), (3, 17214589), (7, 7377681), (19, 2718093), (21, 2459227), (57, 906031), (71, 727377), (133, 388299), (213, 242459), (399, 129433), (497, 103911), (1349, 38283), (1491, 34637), (1823, 28329), (4047, 12761), (5469, 9443)]