54254781

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{6781}}^1$

素因数の和:6921

約数の個数: 24

約数和(自身を含む): 90281984

約数和(自身を除く): 36027203

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2667, 6781, 8001, 20343, 47467, 61029, 142401, 427203, 861187, 2583561, 6028309, 7750683, 18084927, 54254781]

約数ペア:

[(1, 54254781), (3, 18084927), (7, 7750683), (9, 6028309), (21, 2583561), (63, 861187), (127, 427203), (381, 142401), (889, 61029), (1143, 47467), (2667, 20343), (6781, 8001)]