16266663

素因数分解:

$3^5\times 7^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 28444416

約数和(自身を除く): 12177753

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 81, 131, 189, 219, 243, 393, 511, 567, 657, 917, 1179, 1533, 1701, 1971, 2751, 3537, 4599, 5913, 8253, 9563, 10611, 13797, 17739, 24759, 28689, 31833, 41391, 66941, 74277, 86067, 124173, 200823, 222831, 258201, 602469, 774603, 1807407, 2323809, 5422221, 16266663]

約数ペア:

[(1, 16266663), (3, 5422221), (7, 2323809), (9, 1807407), (21, 774603), (27, 602469), (63, 258201), (73, 222831), (81, 200823), (131, 124173), (189, 86067), (219, 74277), (243, 66941), (393, 41391), (511, 31833), (567, 28689), (657, 24759), (917, 17739), (1179, 13797), (1533, 10611), (1701, 9563), (1971, 8253), (2751, 5913), (3537, 4599)]