207977949

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2069}}^1$

素因数の和:2171

約数の個数: 40

約数和(自身を含む): 333626040

約数和(自身を除く): 125648091

約数列:

[1, 3, 9, 17, 27, 51, 73, 81, 153, 219, 459, 657, 1241, 1377, 1971, 2069, 3723, 5913, 6207, 11169, 18621, 33507, 35173, 55863, 100521, 105519, 151037, 167589, 316557, 453111, 949671, 1359333, 2567629, 2849013, 4077999, 7702887, 12233997, 23108661, 69325983, 207977949]

約数ペア:

[(1, 207977949), (3, 69325983), (9, 23108661), (17, 12233997), (27, 7702887), (51, 4077999), (73, 2849013), (81, 2567629), (153, 1359333), (219, 949671), (459, 453111), (657, 316557), (1241, 167589), (1377, 151037), (1971, 105519), (2069, 100521), (3723, 55863), (5913, 35173), (6207, 33507), (11169, 18621)]