28768341

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 47278080

約数和(自身を除く): 18509739

約数列:

[1, 3, 7, 21, 31, 49, 59, 93, 107, 147, 177, 217, 321, 413, 651, 749, 1239, 1519, 1829, 2247, 2891, 3317, 4557, 5243, 5487, 6313, 8673, 9951, 12803, 15729, 18939, 23219, 38409, 44191, 69657, 89621, 132573, 162533, 195703, 268863, 309337, 487599, 587109, 928011, 1369921, 4109763, 9589447, 28768341]

約数ペア:

[(1, 28768341), (3, 9589447), (7, 4109763), (21, 1369921), (31, 928011), (49, 587109), (59, 487599), (93, 309337), (107, 268863), (147, 195703), (177, 162533), (217, 132573), (321, 89621), (413, 69657), (651, 44191), (749, 38409), (1239, 23219), (1519, 18939), (1829, 15729), (2247, 12803), (2891, 9951), (3317, 8673), (4557, 6313), (5243, 5487)]