28060263

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{409}}^1$

素因数の和:450

約数の個数: 60

約数和(自身を含む): 52785040

約数和(自身を除く): 24724777

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 121, 189, 231, 297, 363, 409, 567, 693, 847, 891, 1089, 1227, 2079, 2541, 2863, 3267, 3681, 4499, 6237, 7623, 8589, 9801, 11043, 13497, 22869, 25767, 31493, 33129, 40491, 49489, 68607, 77301, 94479, 121473, 148467, 231903, 283437, 346423, 364419, 445401, 850311, 1039269, 1336203, 2550933, 3117807, 4008609, 9353421, 28060263]

約数ペア:

[(1, 28060263), (3, 9353421), (7, 4008609), (9, 3117807), (11, 2550933), (21, 1336203), (27, 1039269), (33, 850311), (63, 445401), (77, 364419), (81, 346423), (99, 283437), (121, 231903), (189, 148467), (231, 121473), (297, 94479), (363, 77301), (409, 68607), (567, 49489), (693, 40491), (847, 33129), (891, 31493), (1089, 25767), (1227, 22869), (2079, 13497), (2541, 11043), (2863, 9801), (3267, 8589), (3681, 7623), (4499, 6237)]