31142881

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3041}}^1$

素因数の和:3085

約数の個数: 24

約数和(自身を含む): 41614560

約数和(自身を除く): 10471679

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 539, 931, 1463, 3041, 10241, 21287, 33451, 57779, 149009, 234157, 404453, 635569, 1639099, 2831171, 4448983, 31142881]

約数ペア:

[(1, 31142881), (7, 4448983), (11, 2831171), (19, 1639099), (49, 635569), (77, 404453), (133, 234157), (209, 149009), (539, 57779), (931, 33451), (1463, 21287), (3041, 10241)]