128639043

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{967}}^1$

素因数の和:1368

約数の個数: 32

約数和(自身を含む): 205990400

約数和(自身を除く): 77351357

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 379, 967, 1137, 2901, 3411, 4927, 8703, 10233, 12571, 14781, 26109, 37713, 44343, 113139, 133029, 339417, 366493, 1099479, 3298437, 4764409, 9895311, 14293227, 42879681, 128639043]

約数ペア:

[(1, 128639043), (3, 42879681), (9, 14293227), (13, 9895311), (27, 4764409), (39, 3298437), (117, 1099479), (351, 366493), (379, 339417), (967, 133029), (1137, 113139), (2901, 44343), (3411, 37713), (4927, 26109), (8703, 14781), (10233, 12571)]