77845521

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{739}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 116529280

約数和(自身を除く): 38683759

約数列:

[1, 3, 13, 37, 39, 73, 111, 219, 481, 739, 949, 1443, 2217, 2701, 2847, 8103, 9607, 27343, 28821, 35113, 53947, 82029, 105339, 161841, 355459, 701311, 1066377, 1996039, 2103933, 5988117, 25948507, 77845521]

約数ペア:

[(1, 77845521), (3, 25948507), (13, 5988117), (37, 2103933), (39, 1996039), (73, 1066377), (111, 701311), (219, 355459), (481, 161841), (739, 105339), (949, 82029), (1443, 53947), (2217, 35113), (2701, 28821), (2847, 27343), (8103, 9607)]