51731407

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{6247}}^1$

素因数の和:6287

約数の個数: 18

約数和(自身を含む): 65172888

約数和(自身を除く): 13441481

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 6247, 8281, 43729, 81211, 306103, 568477, 1055743, 3979339, 7390201, 51731407]

約数ペア:

[(1, 51731407), (7, 7390201), (13, 3979339), (49, 1055743), (91, 568477), (169, 306103), (637, 81211), (1183, 43729), (6247, 8281)]