11971557

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{11369}}^1$

素因数の和:11394

約数の個数: 20

約数和(自身を含む): 19260780

約数和(自身を除く): 7289223

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 11369, 34107, 102321, 147797, 306963, 443391, 920889, 1330173, 3990519, 11971557]

約数ペア:

[(1, 11971557), (3, 3990519), (9, 1330173), (13, 920889), (27, 443391), (39, 306963), (81, 147797), (117, 102321), (351, 34107), (1053, 11369)]