5171985

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:455

約数の個数: 64

約数和(自身を含む): 11343360

約数和(自身を除く): 6171375

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 91, 105, 117, 135, 189, 195, 273, 315, 351, 421, 455, 585, 819, 945, 1263, 1365, 1755, 2105, 2457, 2947, 3789, 4095, 5473, 6315, 8841, 11367, 12285, 14735, 16419, 18945, 26523, 27365, 38311, 44205, 49257, 56835, 79569, 82095, 114933, 132615, 147771, 191555, 246285, 344799, 397845, 574665, 738855, 1034397, 1723995, 5171985]

約数ペア:

[(1, 5171985), (3, 1723995), (5, 1034397), (7, 738855), (9, 574665), (13, 397845), (15, 344799), (21, 246285), (27, 191555), (35, 147771), (39, 132615), (45, 114933), (63, 82095), (65, 79569), (91, 56835), (105, 49257), (117, 44205), (135, 38311), (189, 27365), (195, 26523), (273, 18945), (315, 16419), (351, 14735), (421, 12285), (455, 11367), (585, 8841), (819, 6315), (945, 5473), (1263, 4095), (1365, 3789), (1755, 2947), (2105, 2457)]