123947889

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{653}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 185170944

約数和(自身を除く): 61223055

約数列:

[1, 3, 13, 31, 39, 93, 157, 403, 471, 653, 1209, 1959, 2041, 4867, 6123, 8489, 14601, 20243, 25467, 60729, 63271, 102521, 189813, 263159, 307563, 789477, 1332773, 3178151, 3998319, 9534453, 41315963, 123947889]

約数ペア:

[(1, 123947889), (3, 41315963), (13, 9534453), (31, 3998319), (39, 3178151), (93, 1332773), (157, 789477), (403, 307563), (471, 263159), (653, 189813), (1209, 102521), (1959, 63271), (2041, 60729), (4867, 25467), (6123, 20243), (8489, 14601)]