67878867

素因数分解:

$3^1\times 7^2\times {\mathrm{409}}^1\times {\mathrm{1129}}^1$

素因数の和:1555

約数の個数: 24

約数和(自身を含む): 105632400

約数和(自身を除く): 37753533

約数列:

[1, 3, 7, 21, 49, 147, 409, 1129, 1227, 2863, 3387, 7903, 8589, 20041, 23709, 55321, 60123, 165963, 461761, 1385283, 3232327, 9696981, 22626289, 67878867]

約数ペア:

[(1, 67878867), (3, 22626289), (7, 9696981), (21, 3232327), (49, 1385283), (147, 461761), (409, 165963), (1129, 60123), (1227, 55321), (2863, 23709), (3387, 20041), (7903, 8589)]