28040727

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{401}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 44303616

約数和(自身を除く): 16262889

約数列:

[1, 3, 11, 13, 33, 39, 143, 163, 401, 429, 489, 1203, 1793, 2119, 4411, 5213, 5379, 6357, 13233, 15639, 23309, 57343, 65363, 69927, 172029, 196089, 718993, 849719, 2156979, 2549157, 9346909, 28040727]

約数ペア:

[(1, 28040727), (3, 9346909), (11, 2549157), (13, 2156979), (33, 849719), (39, 718993), (143, 196089), (163, 172029), (401, 69927), (429, 65363), (489, 57343), (1203, 23309), (1793, 15639), (2119, 13233), (4411, 6357), (5213, 5379)]