6667881

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 10272768

約数和(自身を除く): 3604887

約数列:

[1, 3, 11, 33, 37, 43, 111, 127, 129, 381, 407, 473, 1221, 1397, 1419, 1591, 4191, 4699, 4773, 5461, 14097, 16383, 17501, 51689, 52503, 60071, 155067, 180213, 202057, 606171, 2222627, 6667881]

約数ペア:

[(1, 6667881), (3, 2222627), (11, 606171), (33, 202057), (37, 180213), (43, 155067), (111, 60071), (127, 52503), (129, 51689), (381, 17501), (407, 16383), (473, 14097), (1221, 5461), (1397, 4773), (1419, 4699), (1591, 4191)]