668828943

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{8867}}^1$

素因数の和:8936

約数の個数: 36

約数和(自身を含む): 1061765640

約数和(自身を除く): 392936697

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 289, 493, 867, 1479, 2601, 4437, 8381, 8867, 25143, 26601, 75429, 79803, 150739, 257143, 452217, 771429, 1356651, 2314287, 2562563, 4371431, 7687689, 13114293, 23063067, 39342879, 74314327, 222942981, 668828943]

約数ペア:

[(1, 668828943), (3, 222942981), (9, 74314327), (17, 39342879), (29, 23063067), (51, 13114293), (87, 7687689), (153, 4371431), (261, 2562563), (289, 2314287), (493, 1356651), (867, 771429), (1479, 452217), (2601, 257143), (4437, 150739), (8381, 79803), (8867, 75429), (25143, 26601)]