4991229

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 7480512

約数和(自身を除く): 2489283

約数列:

[1, 3, 9, 71, 73, 107, 213, 219, 321, 639, 657, 963, 5183, 7597, 7811, 15549, 22791, 23433, 46647, 68373, 70299, 554581, 1663743, 4991229]

約数ペア:

[(1, 4991229), (3, 1663743), (9, 554581), (71, 70299), (73, 68373), (107, 46647), (213, 23433), (219, 22791), (321, 15549), (639, 7811), (657, 7597), (963, 5183)]