206429509

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6907}}^1$

素因数の和:6961

約数の個数: 24

約数和(自身を含む): 257253920

約数和(自身を除く): 50824411

約数列:

[1, 11, 13, 19, 121, 143, 209, 247, 1573, 2299, 2717, 6907, 29887, 75977, 89791, 131233, 835747, 987701, 1443563, 1706029, 10864711, 15879193, 18766319, 206429509]

約数ペア:

[(1, 206429509), (11, 18766319), (13, 15879193), (19, 10864711), (121, 1706029), (143, 1443563), (209, 987701), (247, 835747), (1573, 131233), (2299, 89791), (2717, 75977), (6907, 29887)]