28051569

素因数分解:

$3^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{233}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 52416000

約数和(自身を除く): 24364431

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 233, 273, 343, 351, 441, 637, 699, 819, 1029, 1323, 1631, 1911, 2097, 2457, 3029, 3087, 4459, 4893, 5733, 6291, 9087, 9261, 11417, 13377, 14679, 17199, 21203, 27261, 34251, 40131, 44037, 63609, 79919, 81783, 102753, 120393, 148421, 190827, 239757, 308259, 445263, 572481, 719271, 1038947, 1335789, 2157813, 3116841, 4007367, 9350523, 28051569]

約数ペア:

[(1, 28051569), (3, 9350523), (7, 4007367), (9, 3116841), (13, 2157813), (21, 1335789), (27, 1038947), (39, 719271), (49, 572481), (63, 445263), (91, 308259), (117, 239757), (147, 190827), (189, 148421), (233, 120393), (273, 102753), (343, 81783), (351, 79919), (441, 63609), (637, 44037), (699, 40131), (819, 34251), (1029, 27261), (1323, 21203), (1631, 17199), (1911, 14679), (2097, 13377), (2457, 11417), (3029, 9261), (3087, 9087), (4459, 6291), (4893, 5733)]