28265577

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{12889}}^1$

素因数の和:12952

約数の個数: 16

約数和(自身を含む): 40835520

約数和(自身を除く): 12569943

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 12889, 38667, 219113, 554227, 657339, 1662681, 9421859, 28265577]

約数ペア:

[(1, 28265577), (3, 9421859), (17, 1662681), (43, 657339), (51, 554227), (129, 219113), (731, 38667), (2193, 12889)]