71337321

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 124416000

約数和(自身を除く): 53078679

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 71, 99, 153, 187, 199, 213, 297, 459, 561, 597, 639, 781, 1207, 1683, 1791, 1917, 2189, 2343, 3383, 3621, 5049, 5373, 6567, 7029, 10149, 10863, 13277, 14129, 19701, 21087, 30447, 32589, 37213, 39831, 42387, 59103, 91341, 111639, 119493, 127161, 155419, 240193, 334917, 358479, 381483, 466257, 720579, 1004751, 1398771, 2161737, 2642123, 4196313, 6485211, 7926369, 23779107, 71337321]

約数ペア:

[(1, 71337321), (3, 23779107), (9, 7926369), (11, 6485211), (17, 4196313), (27, 2642123), (33, 2161737), (51, 1398771), (71, 1004751), (99, 720579), (153, 466257), (187, 381483), (199, 358479), (213, 334917), (297, 240193), (459, 155419), (561, 127161), (597, 119493), (639, 111639), (781, 91341), (1207, 59103), (1683, 42387), (1791, 39831), (1917, 37213), (2189, 32589), (2343, 30447), (3383, 21087), (3621, 19701), (5049, 14129), (5373, 13277), (6567, 10863), (7029, 10149)]