66721473

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1987}}^1$

素因数の和:2054

約数の個数: 48

約数和(自身を含む): 121570176

約数和(自身を除く): 54848703

約数列:

[1, 3, 7, 9, 13, 21, 39, 41, 63, 91, 117, 123, 273, 287, 369, 533, 819, 861, 1599, 1987, 2583, 3731, 4797, 5961, 11193, 13909, 17883, 25831, 33579, 41727, 77493, 81467, 125181, 180817, 232479, 244401, 542451, 570269, 733203, 1059071, 1627353, 1710807, 3177213, 5132421, 7413497, 9531639, 22240491, 66721473]

約数ペア:

[(1, 66721473), (3, 22240491), (7, 9531639), (9, 7413497), (13, 5132421), (21, 3177213), (39, 1710807), (41, 1627353), (63, 1059071), (91, 733203), (117, 570269), (123, 542451), (273, 244401), (287, 232479), (369, 180817), (533, 125181), (819, 81467), (861, 77493), (1599, 41727), (1987, 33579), (2583, 25831), (3731, 17883), (4797, 13909), (5961, 11193)]