28064235

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1669}}^1$

素因数の和:1755

約数の個数: 32

約数和(自身を含む): 48096000

約数和(自身を除く): 20031765

約数列:

[1, 3, 5, 15, 19, 57, 59, 95, 177, 285, 295, 885, 1121, 1669, 3363, 5007, 5605, 8345, 16815, 25035, 31711, 95133, 98471, 158555, 295413, 475665, 492355, 1477065, 1870949, 5612847, 9354745, 28064235]

約数ペア:

[(1, 28064235), (3, 9354745), (5, 5612847), (15, 1870949), (19, 1477065), (57, 492355), (59, 475665), (95, 295413), (177, 158555), (285, 98471), (295, 95133), (885, 31711), (1121, 25035), (1669, 16815), (3363, 8345), (5007, 5605)]