26292903

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 46986240

約数和(自身を除く): 20693337

約数列:

[1, 3, 7, 13, 19, 21, 37, 39, 57, 91, 111, 133, 137, 247, 259, 273, 399, 411, 481, 703, 741, 777, 959, 1443, 1729, 1781, 2109, 2603, 2877, 3367, 4921, 5069, 5187, 5343, 7809, 9139, 10101, 12467, 14763, 15207, 18221, 27417, 33839, 35483, 37401, 54663, 63973, 65897, 96311, 101517, 106449, 191919, 197691, 236873, 288933, 461279, 674177, 710619, 1252043, 1383837, 2022531, 3756129, 8764301, 26292903]

約数ペア:

[(1, 26292903), (3, 8764301), (7, 3756129), (13, 2022531), (19, 1383837), (21, 1252043), (37, 710619), (39, 674177), (57, 461279), (91, 288933), (111, 236873), (133, 197691), (137, 191919), (247, 106449), (259, 101517), (273, 96311), (399, 65897), (411, 63973), (481, 54663), (703, 37401), (741, 35483), (777, 33839), (959, 27417), (1443, 18221), (1729, 15207), (1781, 14763), (2109, 12467), (2603, 10101), (2877, 9139), (3367, 7809), (4921, 5343), (5069, 5187)]