1287269955

素因数分解:

$3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{130621}}^1$

素因数の和:130708

約数の個数: 32

約数和(自身を含む): 2319846720

約数和(自身を除く): 1032576765

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 135, 219, 365, 657, 1095, 1971, 3285, 9855, 130621, 391863, 653105, 1175589, 1959315, 3526767, 5877945, 9535333, 17633835, 28605999, 47676665, 85817997, 143029995, 257453991, 429089985, 1287269955]

約数ペア:

[(1, 1287269955), (3, 429089985), (5, 257453991), (9, 143029995), (15, 85817997), (27, 47676665), (45, 28605999), (73, 17633835), (135, 9535333), (219, 5877945), (365, 3526767), (657, 1959315), (1095, 1175589), (1971, 653105), (3285, 391863), (9855, 130621)]