389620023

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{22861}}^1$

素因数の和:22919

約数の個数: 32

約数和(自身を含む): 614530560

約数和(自身を除く): 224910537

約数列:

[1, 3, 13, 19, 23, 39, 57, 69, 247, 299, 437, 741, 897, 1311, 5681, 17043, 22861, 68583, 297193, 434359, 525803, 891579, 1303077, 1577409, 5646667, 6835439, 9990257, 16940001, 20506317, 29970771, 129873341, 389620023]

約数ペア:

[(1, 389620023), (3, 129873341), (13, 29970771), (19, 20506317), (23, 16940001), (39, 9990257), (57, 6835439), (69, 5646667), (247, 1577409), (299, 1303077), (437, 891579), (741, 525803), (897, 434359), (1311, 297193), (5681, 68583), (17043, 22861)]