28977201

素因数分解:

$3^2\times {\mathrm{11}}^3\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:139

約数の個数: 48

約数和(自身を含む): 47960640

約数和(自身を除く): 18983439

約数列:

[1, 3, 9, 11, 33, 41, 59, 99, 121, 123, 177, 363, 369, 451, 531, 649, 1089, 1331, 1353, 1947, 2419, 3993, 4059, 4961, 5841, 7139, 7257, 11979, 14883, 21417, 21771, 26609, 44649, 54571, 64251, 78529, 79827, 163713, 235587, 239481, 292699, 491139, 706761, 878097, 2634291, 3219689, 9659067, 28977201]

約数ペア:

[(1, 28977201), (3, 9659067), (9, 3219689), (11, 2634291), (33, 878097), (41, 706761), (59, 491139), (99, 292699), (121, 239481), (123, 235587), (177, 163713), (363, 79827), (369, 78529), (451, 64251), (531, 54571), (649, 44649), (1089, 26609), (1331, 21771), (1353, 21417), (1947, 14883), (2419, 11979), (3993, 7257), (4059, 7139), (4961, 5841)]