681775497

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{2699}}^1$

素因数の和:2862

約数の個数: 48

約数和(自身を含む): 1132185600

約数和(自身を除く): 450410103

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 127, 153, 221, 381, 663, 1143, 1651, 1989, 2159, 2699, 4953, 6477, 8097, 14859, 19431, 24291, 28067, 35087, 45883, 84201, 105261, 137649, 252603, 315783, 342773, 412947, 596479, 1028319, 1789437, 3084957, 4456049, 5368311, 5827141, 13368147, 17481423, 40104441, 52444269, 75752833, 227258499, 681775497]

約数ペア:

[(1, 681775497), (3, 227258499), (9, 75752833), (13, 52444269), (17, 40104441), (39, 17481423), (51, 13368147), (117, 5827141), (127, 5368311), (153, 4456049), (221, 3084957), (381, 1789437), (663, 1028319), (1143, 596479), (1651, 412947), (1989, 342773), (2159, 315783), (2699, 252603), (4953, 137649), (6477, 105261), (8097, 84201), (14859, 45883), (19431, 35087), (24291, 28067)]