42507647

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{9533}}^1$

素因数の和:9567

約数の個数: 16

約数和(自身を含む): 53390400

約数和(自身を除く): 10882753

約数列:

[1, 7, 13, 49, 91, 343, 637, 4459, 9533, 66731, 123929, 467117, 867503, 3269819, 6072521, 42507647]

約数ペア:

[(1, 42507647), (7, 6072521), (13, 3269819), (49, 867503), (91, 467117), (343, 123929), (637, 66731), (4459, 9533)]