156778221969

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{881}}^1\times {\mathrm{637831}}^1$

素因数の和:638749

約数の個数: 24

約数和(自身を含む): 234028214784

約数和(自身を除く): 77249992815

約数列:

[1, 3, 9, 31, 93, 279, 881, 2643, 7929, 27311, 81933, 245799, 637831, 1913493, 5740479, 19772761, 59318283, 177954849, 561929111, 1685787333, 5057361999, 17419802441, 52259407323, 156778221969]

約数ペア:

[(1, 156778221969), (3, 52259407323), (9, 17419802441), (31, 5057361999), (93, 1685787333), (279, 561929111), (881, 177954849), (2643, 59318283), (7929, 19772761), (27311, 5740479), (81933, 1913493), (245799, 637831)]