28426167

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^3\times {\mathrm{113}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 53406720

約数和(自身を除く): 24980553

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 113, 121, 189, 231, 297, 339, 363, 693, 791, 847, 1017, 1089, 1243, 1331, 2079, 2373, 2541, 3051, 3267, 3729, 3993, 7119, 7623, 8701, 9317, 11187, 11979, 13673, 21357, 22869, 26103, 27951, 33561, 35937, 41019, 78309, 83853, 95711, 123057, 150403, 234927, 251559, 287133, 369171, 451209, 861399, 1052821, 1353627, 2584197, 3158463, 4060881, 9475389, 28426167]

約数ペア:

[(1, 28426167), (3, 9475389), (7, 4060881), (9, 3158463), (11, 2584197), (21, 1353627), (27, 1052821), (33, 861399), (63, 451209), (77, 369171), (99, 287133), (113, 251559), (121, 234927), (189, 150403), (231, 123057), (297, 95711), (339, 83853), (363, 78309), (693, 41019), (791, 35937), (847, 33561), (1017, 27951), (1089, 26103), (1243, 22869), (1331, 21357), (2079, 13673), (2373, 11979), (2541, 11187), (3051, 9317), (3267, 8701), (3729, 7623), (3993, 7119)]