26856291

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 48844800

約数和(自身を除く): 21988509

約数列:

[1, 3, 7, 11, 19, 21, 29, 33, 57, 77, 87, 133, 203, 209, 211, 231, 319, 399, 551, 609, 627, 633, 957, 1463, 1477, 1653, 2233, 2321, 3857, 4009, 4389, 4431, 6061, 6119, 6699, 6963, 11571, 12027, 16247, 18183, 18357, 28063, 42427, 42833, 44099, 48741, 67309, 84189, 116261, 127281, 128499, 132297, 201927, 308693, 348783, 471163, 813827, 926079, 1278871, 1413489, 2441481, 3836613, 8952097, 26856291]

約数ペア:

[(1, 26856291), (3, 8952097), (7, 3836613), (11, 2441481), (19, 1413489), (21, 1278871), (29, 926079), (33, 813827), (57, 471163), (77, 348783), (87, 308693), (133, 201927), (203, 132297), (209, 128499), (211, 127281), (231, 116261), (319, 84189), (399, 67309), (551, 48741), (609, 44099), (627, 42833), (633, 42427), (957, 28063), (1463, 18357), (1477, 18183), (1653, 16247), (2233, 12027), (2321, 11571), (3857, 6963), (4009, 6699), (4389, 6119), (4431, 6061)]