2005488963

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{1889}}^1$

素因数の和:2178

約数の個数: 48

約数和(自身を含む): 3194886240

約数和(自身を除く): 1189397277

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 257, 459, 771, 1377, 1889, 2313, 4131, 4369, 5667, 6939, 13107, 17001, 20817, 32113, 39321, 51003, 62451, 96339, 117963, 153009, 289017, 353889, 459027, 485473, 867051, 1061667, 1456419, 2601153, 4369257, 7803459, 8253041, 13107771, 24759123, 39323313, 74277369, 117969939, 222832107, 668496321, 2005488963]

約数ペア:

[(1, 2005488963), (3, 668496321), (9, 222832107), (17, 117969939), (27, 74277369), (51, 39323313), (81, 24759123), (153, 13107771), (243, 8253041), (257, 7803459), (459, 4369257), (771, 2601153), (1377, 1456419), (1889, 1061667), (2313, 867051), (4131, 485473), (4369, 459027), (5667, 353889), (6939, 289017), (13107, 153009), (17001, 117963), (20817, 96339), (32113, 62451), (39321, 51003)]