4247007

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:358

約数の個数: 16

約数和(自身を含む): 5824512

約数和(自身を除く): 1577505

約数列:

[1, 3, 71, 127, 157, 213, 381, 471, 9017, 11147, 19939, 27051, 33441, 59817, 1415669, 4247007]

約数ペア:

[(1, 4247007), (3, 1415669), (71, 59817), (127, 33441), (157, 27051), (213, 19939), (381, 11147), (471, 9017)]