12704211

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4721}}^1$

素因数の和:4763

約数の個数: 24

約数和(自身を含む): 20625696

約数和(自身を除く): 7921485

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 4721, 14163, 42489, 61373, 108583, 184119, 325749, 552357, 977247, 1411579, 4234737, 12704211]

約数ペア:

[(1, 12704211), (3, 4234737), (9, 1411579), (13, 977247), (23, 552357), (39, 325749), (69, 184119), (117, 108583), (207, 61373), (299, 42489), (897, 14163), (2691, 4721)]