2897140239

素因数分解:

$3^2\times 7^5\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 4955333760

約数和(自身を除く): 2058193521

約数列:

[1, 3, 7, 9, 21, 49, 63, 107, 147, 179, 321, 343, 441, 537, 749, 963, 1029, 1253, 1611, 2247, 2401, 3087, 3759, 5243, 6741, 7203, 8771, 11277, 15729, 16807, 19153, 21609, 26313, 36701, 47187, 50421, 57459, 61397, 78939, 110103, 134071, 151263, 172377, 184191, 256907, 330309, 402213, 429779, 552573, 770721, 938497, 1206639, 1289337, 1798349, 2312163, 2815491, 3008453, 3868011, 5395047, 6569479, 8446473, 9025359, 16185141, 19708437, 27076077, 45986353, 59125311, 137959059, 321904471, 413877177, 965713413, 2897140239]

約数ペア:

[(1, 2897140239), (3, 965713413), (7, 413877177), (9, 321904471), (21, 137959059), (49, 59125311), (63, 45986353), (107, 27076077), (147, 19708437), (179, 16185141), (321, 9025359), (343, 8446473), (441, 6569479), (537, 5395047), (749, 3868011), (963, 3008453), (1029, 2815491), (1253, 2312163), (1611, 1798349), (2247, 1289337), (2401, 1206639), (3087, 938497), (3759, 770721), (5243, 552573), (6741, 429779), (7203, 402213), (8771, 330309), (11277, 256907), (15729, 184191), (16807, 172377), (19153, 151263), (21609, 134071), (26313, 110103), (36701, 78939), (47187, 61397), (50421, 57459)]