25431321

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{1163}}^1$

素因数の和:1400

約数の個数: 16

約数和(自身を含む): 35031744

約数和(自身を除く): 9600423

約数列:

[1, 3, 37, 111, 197, 591, 1163, 3489, 7289, 21867, 43031, 129093, 229111, 687333, 8477107, 25431321]

約数ペア:

[(1, 25431321), (3, 8477107), (37, 687333), (111, 229111), (197, 129093), (591, 43031), (1163, 21867), (3489, 7289)]