1680057

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 2588040

約数和(自身を除く): 907983

約数列:

[1, 3, 9, 29, 41, 87, 123, 157, 261, 369, 471, 1189, 1413, 3567, 4553, 6437, 10701, 13659, 19311, 40977, 57933, 186673, 560019, 1680057]

約数ペア:

[(1, 1680057), (3, 560019), (9, 186673), (29, 57933), (41, 40977), (87, 19311), (123, 13659), (157, 10701), (261, 6437), (369, 4553), (471, 3567), (1189, 1413)]