81240687

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{28297}}^1$

素因数の和:28343

約数の個数: 24

約数和(自身を含む): 132434640

約数和(自身を除く): 51193953

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 28297, 84891, 254673, 311267, 820613, 933801, 2461839, 2801403, 7385517, 9026743, 27080229, 81240687]

約数ペア:

[(1, 81240687), (3, 27080229), (9, 9026743), (11, 7385517), (29, 2801403), (33, 2461839), (87, 933801), (99, 820613), (261, 311267), (319, 254673), (957, 84891), (2871, 28297)]