81233493

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 133816320

約数和(自身を除く): 52582827

約数列:

[1, 3, 11, 19, 23, 33, 43, 57, 69, 129, 131, 209, 253, 393, 437, 473, 627, 759, 817, 989, 1311, 1419, 1441, 2451, 2489, 2967, 3013, 4323, 4807, 5633, 7467, 8987, 9039, 10879, 14421, 16899, 18791, 26961, 27379, 32637, 33143, 56373, 57247, 61963, 82137, 99429, 107027, 129559, 171741, 185889, 206701, 321081, 388677, 620103, 629717, 1177297, 1425149, 1889151, 2461621, 3531891, 4275447, 7384863, 27077831, 81233493]

約数ペア:

[(1, 81233493), (3, 27077831), (11, 7384863), (19, 4275447), (23, 3531891), (33, 2461621), (43, 1889151), (57, 1425149), (69, 1177297), (129, 629717), (131, 620103), (209, 388677), (253, 321081), (393, 206701), (437, 185889), (473, 171741), (627, 129559), (759, 107027), (817, 99429), (989, 82137), (1311, 61963), (1419, 57247), (1441, 56373), (2451, 33143), (2489, 32637), (2967, 27379), (3013, 26961), (4323, 18791), (4807, 16899), (5633, 14421), (7467, 10879), (8987, 9039)]