198704259

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 333379200

約数和(自身を除く): 134674941

約数列:

[1, 3, 9, 13, 27, 29, 39, 81, 87, 117, 241, 243, 261, 351, 377, 723, 729, 783, 1053, 1131, 2169, 2187, 2349, 3133, 3159, 3393, 6507, 6989, 7047, 9399, 9477, 10179, 19521, 20967, 21141, 28197, 28431, 30537, 58563, 62901, 63423, 84591, 90857, 91611, 175689, 188703, 253773, 272571, 274833, 527067, 566109, 761319, 817713, 824499, 1698327, 2283957, 2453139, 5094981, 6851871, 7359417, 15284943, 22078251, 66234753, 198704259]

約数ペア:

[(1, 198704259), (3, 66234753), (9, 22078251), (13, 15284943), (27, 7359417), (29, 6851871), (39, 5094981), (81, 2453139), (87, 2283957), (117, 1698327), (241, 824499), (243, 817713), (261, 761319), (351, 566109), (377, 527067), (723, 274833), (729, 272571), (783, 253773), (1053, 188703), (1131, 175689), (2169, 91611), (2187, 90857), (2349, 84591), (3133, 63423), (3159, 62901), (3393, 58563), (6507, 30537), (6989, 28431), (7047, 28197), (9399, 21141), (9477, 20967), (10179, 19521)]