27131391

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3391}}^1$

素因数の和:3531

約数の個数: 24

約数和(自身を含む): 45154304

約数和(自身を除く): 18022913

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2667, 3391, 8001, 10173, 23737, 30519, 71211, 213633, 430657, 1291971, 3014599, 3875913, 9043797, 27131391]

約数ペア:

[(1, 27131391), (3, 9043797), (7, 3875913), (9, 3014599), (21, 1291971), (63, 430657), (127, 213633), (381, 71211), (889, 30519), (1143, 23737), (2667, 10173), (3391, 8001)]