30391479

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 44928000

約数和(自身を除く): 14536521

約数列:

[1, 3, 9, 71, 199, 213, 239, 597, 639, 717, 1791, 2151, 14129, 16969, 42387, 47561, 50907, 127161, 142683, 152721, 428049, 3376831, 10130493, 30391479]

約数ペア:

[(1, 30391479), (3, 10130493), (9, 3376831), (71, 428049), (199, 152721), (213, 142683), (239, 127161), (597, 50907), (639, 47561), (717, 42387), (1791, 16969), (2151, 14129)]