51113391

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 80693760

約数和(自身を除く): 29580369

約数列:

[1, 3, 7, 21, 37, 111, 157, 259, 419, 471, 777, 1099, 1257, 2933, 3297, 5809, 8799, 15503, 17427, 40663, 46509, 65783, 108521, 121989, 197349, 325563, 460481, 1381443, 2433971, 7301913, 17037797, 51113391]

約数ペア:

[(1, 51113391), (3, 17037797), (7, 7301913), (21, 2433971), (37, 1381443), (111, 460481), (157, 325563), (259, 197349), (419, 121989), (471, 108521), (777, 65783), (1099, 46509), (1257, 40663), (2933, 17427), (3297, 15503), (5809, 8799)]