208021557

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{401}}^1\times {\mathrm{479}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 294071040

約数和(自身を除く): 86049483

約数列:

[1, 3, 19, 57, 361, 401, 479, 1083, 1203, 1437, 7619, 9101, 22857, 27303, 144761, 172919, 192079, 434283, 518757, 576237, 3649501, 10948503, 69340519, 208021557]

約数ペア:

[(1, 208021557), (3, 69340519), (19, 10948503), (57, 3649501), (361, 576237), (401, 518757), (479, 434283), (1083, 192079), (1203, 172919), (1437, 144761), (7619, 27303), (9101, 22857)]