27885781

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:154

約数の個数: 32

約数和(自身を含む): 36400896

約数和(自身を除く): 8515115

約数列:

[1, 7, 11, 41, 73, 77, 121, 287, 451, 511, 803, 847, 1331, 2993, 3157, 4961, 5621, 8833, 9317, 20951, 32923, 34727, 54571, 61831, 97163, 230461, 362153, 381997, 680141, 2535071, 3983683, 27885781]

約数ペア:

[(1, 27885781), (7, 3983683), (11, 2535071), (41, 680141), (73, 381997), (77, 362153), (121, 230461), (287, 97163), (451, 61831), (511, 54571), (803, 34727), (847, 32923), (1331, 20951), (2993, 9317), (3157, 8833), (4961, 5621)]