51998163

素因数分解:

$3^1\times 7^2\times {\mathrm{277}}^1\times {\mathrm{1277}}^1$

素因数の和:1571

約数の個数: 24

約数和(自身を含む): 81004752

約数和(自身を除く): 29006589

約数列:

[1, 3, 7, 21, 49, 147, 277, 831, 1277, 1939, 3831, 5817, 8939, 13573, 26817, 40719, 62573, 187719, 353729, 1061187, 2476103, 7428309, 17332721, 51998163]

約数ペア:

[(1, 51998163), (3, 17332721), (7, 7428309), (21, 2476103), (49, 1061187), (147, 353729), (277, 187719), (831, 62573), (1277, 40719), (1939, 26817), (3831, 13573), (5817, 8939)]