201824721

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{68161}}^1$

素因数の和:68221

約数の個数: 24

約数和(自身を含む): 340264704

約数和(自身を除く): 138439983

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 68161, 204483, 477127, 613449, 1431381, 3203567, 4294143, 9610701, 22424969, 28832103, 67274907, 201824721]

約数ペア:

[(1, 201824721), (3, 67274907), (7, 28832103), (9, 22424969), (21, 9610701), (47, 4294143), (63, 3203567), (141, 1431381), (329, 613449), (423, 477127), (987, 204483), (2961, 68161)]