28711053

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 49933312

約数和(自身を除く): 21222259

約数列:

[1, 3, 7, 9, 21, 31, 61, 63, 93, 183, 217, 241, 279, 427, 549, 651, 723, 1281, 1687, 1891, 1953, 2169, 3843, 5061, 5673, 7471, 13237, 14701, 15183, 17019, 22413, 39711, 44103, 52297, 67239, 102907, 119133, 132309, 156891, 308721, 455731, 470673, 926163, 1367193, 3190117, 4101579, 9570351, 28711053]

約数ペア:

[(1, 28711053), (3, 9570351), (7, 4101579), (9, 3190117), (21, 1367193), (31, 926163), (61, 470673), (63, 455731), (93, 308721), (183, 156891), (217, 132309), (241, 119133), (279, 102907), (427, 67239), (549, 52297), (651, 44103), (723, 39711), (1281, 22413), (1687, 17019), (1891, 15183), (1953, 14701), (2169, 13237), (3843, 7471), (5061, 5673)]