204578217

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{68261}}^1$

素因数の和:68310

約数の個数: 20

約数和(自身を含む): 313868676

約数和(自身を除く): 109290459

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 68261, 204783, 614349, 1843047, 2525657, 5529141, 7576971, 22730913, 68192739, 204578217]

約数ペア:

[(1, 204578217), (3, 68192739), (9, 22730913), (27, 7576971), (37, 5529141), (81, 2525657), (111, 1843047), (333, 614349), (999, 204783), (2997, 68261)]