17940663

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:748

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 11089737

約数列:

[1, 3, 9, 13, 27, 39, 79, 117, 237, 351, 647, 711, 1027, 1941, 2133, 3081, 5823, 8411, 9243, 17469, 25233, 27729, 51113, 75699, 153339, 227097, 460017, 664469, 1380051, 1993407, 5980221, 17940663]

約数ペア:

[(1, 17940663), (3, 5980221), (9, 1993407), (13, 1380051), (27, 664469), (39, 460017), (79, 227097), (117, 153339), (237, 75699), (351, 51113), (647, 27729), (711, 25233), (1027, 17469), (1941, 9243), (2133, 8411), (3081, 5823)]