255567705

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{2053}}^1$

素因数の和:2297

約数の個数: 32

約数和(自身を含む): 420790656

約数和(自身を除く): 165222951

約数列:

[1, 3, 5, 15, 43, 129, 193, 215, 579, 645, 965, 2053, 2895, 6159, 8299, 10265, 24897, 30795, 41495, 88279, 124485, 264837, 396229, 441395, 1188687, 1324185, 1981145, 5943435, 17037847, 51113541, 85189235, 255567705]

約数ペア:

[(1, 255567705), (3, 85189235), (5, 51113541), (15, 17037847), (43, 5943435), (129, 1981145), (193, 1324185), (215, 1188687), (579, 441395), (645, 396229), (965, 264837), (2053, 124485), (2895, 88279), (6159, 41495), (8299, 30795), (10265, 24897)]