27286581

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 45800640

約数和(自身を除く): 18514059

約数列:

[1, 3, 7, 17, 21, 49, 51, 61, 119, 147, 179, 183, 357, 427, 537, 833, 1037, 1253, 1281, 2499, 2989, 3043, 3111, 3759, 7259, 8771, 8967, 9129, 10919, 21301, 21777, 26313, 32757, 50813, 63903, 76433, 149107, 152439, 185623, 229299, 447321, 535031, 556869, 1299361, 1605093, 3898083, 9095527, 27286581]

約数ペア:

[(1, 27286581), (3, 9095527), (7, 3898083), (17, 1605093), (21, 1299361), (49, 556869), (51, 535031), (61, 447321), (119, 229299), (147, 185623), (179, 152439), (183, 149107), (357, 76433), (427, 63903), (537, 50813), (833, 32757), (1037, 26313), (1253, 21777), (1281, 21301), (2499, 10919), (2989, 9129), (3043, 8967), (3111, 8771), (3759, 7259)]