53821989

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:751

約数の個数: 40

約数和(自身を含む): 87816960

約数和(自身を除く): 33994971

約数列:

[1, 3, 9, 13, 27, 39, 79, 81, 117, 237, 351, 647, 711, 1027, 1053, 1941, 2133, 3081, 5823, 6399, 8411, 9243, 17469, 25233, 27729, 51113, 52407, 75699, 83187, 153339, 227097, 460017, 664469, 681291, 1380051, 1993407, 4140153, 5980221, 17940663, 53821989]

約数ペア:

[(1, 53821989), (3, 17940663), (9, 5980221), (13, 4140153), (27, 1993407), (39, 1380051), (79, 681291), (81, 664469), (117, 460017), (237, 227097), (351, 153339), (647, 83187), (711, 75699), (1027, 52407), (1053, 51113), (1941, 27729), (2133, 25233), (3081, 17469), (5823, 9243), (6399, 8411)]