28316919

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 40843264

約数和(自身を除く): 12526345

約数列:

[1, 3, 31, 43, 73, 93, 97, 129, 219, 291, 1333, 2263, 3007, 3139, 3999, 4171, 6789, 7081, 9021, 9417, 12513, 21243, 97309, 129301, 219511, 291927, 304483, 387903, 658533, 913449, 9438973, 28316919]

約数ペア:

[(1, 28316919), (3, 9438973), (31, 913449), (43, 658533), (73, 387903), (93, 304483), (97, 291927), (129, 219511), (219, 129301), (291, 97309), (1333, 21243), (2263, 12513), (3007, 9417), (3139, 9021), (3999, 7081), (4171, 6789)]