251055

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{797}}^1$

素因数の和:815

約数の個数: 24

約数和(自身を含む): 497952

約数和(自身を除く): 246897

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 797, 2391, 3985, 5579, 7173, 11955, 16737, 27895, 35865, 50211, 83685, 251055]

約数ペア:

[(1, 251055), (3, 83685), (5, 50211), (7, 35865), (9, 27895), (15, 16737), (21, 11955), (35, 7173), (45, 5579), (63, 3985), (105, 2391), (315, 797)]