251772021

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{35911}}^1$

素因数の和:35977

約数の個数: 24

約数和(自身を含む): 392159040

約数和(自身を除く): 140387019

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 369, 779, 2337, 7011, 35911, 107733, 323199, 682309, 1472351, 2046927, 4417053, 6140781, 13251159, 27974669, 83924007, 251772021]

約数ペア:

[(1, 251772021), (3, 83924007), (9, 27974669), (19, 13251159), (41, 6140781), (57, 4417053), (123, 2046927), (171, 1472351), (369, 682309), (779, 323199), (2337, 107733), (7011, 35911)]