28354821

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1103}}^1$

素因数の和:1177

約数の個数: 32

約数和(自身を含む): 44513280

約数和(自身を除く): 16158459

約数列:

[1, 3, 11, 19, 33, 41, 57, 123, 209, 451, 627, 779, 1103, 1353, 2337, 3309, 8569, 12133, 20957, 25707, 36399, 45223, 62871, 135669, 230527, 497453, 691581, 859237, 1492359, 2577711, 9451607, 28354821]

約数ペア:

[(1, 28354821), (3, 9451607), (11, 2577711), (19, 1492359), (33, 859237), (41, 691581), (57, 497453), (123, 230527), (209, 135669), (451, 62871), (627, 45223), (779, 36399), (1103, 25707), (1353, 20957), (2337, 12133), (3309, 8569)]