208506519

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{11351}}^1$

素因数の和:11527

約数の個数: 24

約数和(自身を含む): 326438112

約数和(自身を除く): 117931593

約数列:

[1, 3, 9, 13, 39, 117, 157, 471, 1413, 2041, 6123, 11351, 18369, 34053, 102159, 147563, 442689, 1328067, 1782107, 5346321, 16038963, 23167391, 69502173, 208506519]

約数ペア:

[(1, 208506519), (3, 69502173), (9, 23167391), (13, 16038963), (39, 5346321), (117, 1782107), (157, 1328067), (471, 442689), (1413, 147563), (2041, 102159), (6123, 34053), (11351, 18369)]