81745389

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{613}}^1$

素因数の和:1082

約数の個数: 32

約数和(自身を含む): 132624000

約数和(自身を除く): 50878611

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 449, 613, 1347, 1839, 4041, 4939, 5517, 6743, 12123, 14817, 16551, 20229, 44451, 60687, 133353, 182061, 275237, 825711, 2477133, 3027607, 7431399, 9082821, 27248463, 81745389]

約数ペア:

[(1, 81745389), (3, 27248463), (9, 9082821), (11, 7431399), (27, 3027607), (33, 2477133), (99, 825711), (297, 275237), (449, 182061), (613, 133353), (1347, 60687), (1839, 44451), (4041, 20229), (4939, 16551), (5517, 14817), (6743, 12123)]