28376487

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{4799}}^1$

素因数の和:4884

約数の個数: 20

約数和(自身を含む): 42979200

約数和(自身を除く): 14602713

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 4799, 5913, 14397, 43191, 129573, 350327, 388719, 1050981, 3152943, 9458829, 28376487]

約数ペア:

[(1, 28376487), (3, 9458829), (9, 3152943), (27, 1050981), (73, 388719), (81, 350327), (219, 129573), (657, 43191), (1971, 14397), (4799, 5913)]