13257657

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1657}}^1$

素因数の和:1797

約数の個数: 24

約数和(自身を含む): 22071296

約数和(自身を除く): 8813639

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 1657, 2667, 4971, 8001, 11599, 14913, 34797, 104391, 210439, 631317, 1473073, 1893951, 4419219, 13257657]

約数ペア:

[(1, 13257657), (3, 4419219), (7, 1893951), (9, 1473073), (21, 631317), (63, 210439), (127, 104391), (381, 34797), (889, 14913), (1143, 11599), (1657, 8001), (2667, 4971)]