210239181

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{440753}}^1$

素因数の和:440812

約数の個数: 12

約数和(自身を含む): 309409308

約数和(自身を除く): 99170127

約数列:

[1, 3, 9, 53, 159, 477, 440753, 1322259, 3966777, 23359909, 70079727, 210239181]

約数ペア:

[(1, 210239181), (3, 70079727), (9, 23359909), (53, 3966777), (159, 1322259), (477, 440753)]