1681407

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2053}}^1$

素因数の和:2079

約数の個数: 24

約数和(自身を含む): 2990624

約数和(自身を除く): 1309217

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 2053, 6159, 14371, 18477, 26689, 43113, 80067, 129339, 186823, 240201, 560469, 1681407]

約数ペア:

[(1, 1681407), (3, 560469), (7, 240201), (9, 186823), (13, 129339), (21, 80067), (39, 43113), (63, 26689), (91, 18477), (117, 14371), (273, 6159), (819, 2053)]