528549721

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{347959}}^1$

素因数の和:348004

約数の個数: 12

約数和(自身を含む): 634679040

約数和(自身を除く): 106129319

約数列:

[1, 7, 31, 49, 217, 1519, 347959, 2435713, 10786729, 17049991, 75507103, 528549721]

約数ペア:

[(1, 528549721), (7, 75507103), (31, 17049991), (49, 10786729), (217, 2435713), (1519, 347959)]