122912919

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{37831}}^1$

素因数の和:37875

約数の個数: 18

約数和(自身を含む): 187381896

約数和(自身を除く): 64468977

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 37831, 113493, 340479, 718789, 2156367, 6469101, 13656991, 40970973, 122912919]

約数ペア:

[(1, 122912919), (3, 40970973), (9, 13656991), (19, 6469101), (57, 2156367), (171, 718789), (361, 340479), (1083, 113493), (3249, 37831)]