217697931

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{12149}}^1$

素因数の和:12347

約数の個数: 24

約数和(自身を含む): 344962800

約数和(自身を除く): 127264869

約数列:

[1, 3, 9, 11, 33, 99, 181, 543, 1629, 1991, 5973, 12149, 17919, 36447, 109341, 133639, 400917, 1202751, 2198969, 6596907, 19790721, 24188659, 72565977, 217697931]

約数ペア:

[(1, 217697931), (3, 72565977), (9, 24188659), (11, 19790721), (33, 6596907), (99, 2198969), (181, 1202751), (543, 400917), (1629, 133639), (1991, 109341), (5973, 36447), (12149, 17919)]