54286687

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 67958880

約数和(自身を除く): 13672193

約数列:

[1, 7, 13, 91, 109, 169, 421, 763, 1183, 1417, 2947, 5473, 9919, 18421, 38311, 45889, 71149, 128947, 321223, 498043, 596557, 4175899, 7755241, 54286687]

約数ペア:

[(1, 54286687), (7, 7755241), (13, 4175899), (91, 596557), (109, 498043), (169, 321223), (421, 128947), (763, 71149), (1183, 45889), (1417, 38311), (2947, 18421), (5473, 9919)]