1258492779

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{20719}}^1$

素因数の和:21139

約数の個数: 24

約数和(自身を含む): 1929695040

約数和(自身を除く): 671202261

約数列:

[1, 3, 9, 17, 51, 153, 397, 1191, 3573, 6749, 20247, 20719, 60741, 62157, 186471, 352223, 1056669, 3170007, 8225443, 24676329, 74028987, 139832531, 419497593, 1258492779]

約数ペア:

[(1, 1258492779), (3, 419497593), (9, 139832531), (17, 74028987), (51, 24676329), (153, 8225443), (397, 3170007), (1191, 1056669), (3573, 352223), (6749, 186471), (20247, 62157), (20719, 60741)]