13481404989

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{21379}}^1$

素因数の和:21474

約数の個数: 64

約数和(自身を含む): 21838387200

約数和(自身を除く): 8356982211

約数列:

[1, 3, 13, 19, 23, 37, 39, 57, 69, 111, 247, 299, 437, 481, 703, 741, 851, 897, 1311, 1443, 2109, 2553, 5681, 9139, 11063, 16169, 17043, 21379, 27417, 33189, 48507, 64137, 210197, 277927, 406201, 491717, 630591, 791023, 833781, 1218603, 1475151, 2373069, 5280613, 6392321, 9342623, 10283299, 15029437, 15841839, 18193529, 19176963, 28027869, 30849897, 45088311, 54580587, 121454099, 195382681, 236515877, 345677051, 364362297, 586148043, 709547631, 1037031153, 4493801663, 13481404989]

約数ペア:

[(1, 13481404989), (3, 4493801663), (13, 1037031153), (19, 709547631), (23, 586148043), (37, 364362297), (39, 345677051), (57, 236515877), (69, 195382681), (111, 121454099), (247, 54580587), (299, 45088311), (437, 30849897), (481, 28027869), (703, 19176963), (741, 18193529), (851, 15841839), (897, 15029437), (1311, 10283299), (1443, 9342623), (2109, 6392321), (2553, 5280613), (5681, 2373069), (9139, 1475151), (11063, 1218603), (16169, 833781), (17043, 791023), (21379, 630591), (27417, 491717), (33189, 406201), (48507, 277927), (64137, 210197)]