2970297

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:230

約数の個数: 32

約数和(自身を含む): 4901760

約数和(自身を除く): 1931463

約数列:

[1, 3, 9, 11, 27, 33, 73, 99, 137, 219, 297, 411, 657, 803, 1233, 1507, 1971, 2409, 3699, 4521, 7227, 10001, 13563, 21681, 30003, 40689, 90009, 110011, 270027, 330033, 990099, 2970297]

約数ペア:

[(1, 2970297), (3, 990099), (9, 330033), (11, 270027), (27, 110011), (33, 90009), (73, 40689), (99, 30003), (137, 21681), (219, 13563), (297, 10001), (411, 7227), (657, 4521), (803, 3699), (1233, 2409), (1507, 1971)]