666136971

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{25339}}^1$

素因数の和:25495

約数の個数: 24

約数和(自身を含む): 1011978240

約数和(自身を除く): 345841269

約数列:

[1, 3, 9, 23, 69, 127, 207, 381, 1143, 2921, 8763, 25339, 26289, 76017, 228051, 582797, 1748391, 3218053, 5245173, 9654159, 28962477, 74015219, 222045657, 666136971]

約数ペア:

[(1, 666136971), (3, 222045657), (9, 74015219), (23, 28962477), (69, 9654159), (127, 5245173), (207, 3218053), (381, 1748391), (1143, 582797), (2921, 228051), (8763, 76017), (25339, 26289)]