53281557

素因数分解:

$3^4\times 7^1\times {\mathrm{93971}}^1$

素因数の和:93990

約数の個数: 20

約数和(自身を含む): 90964896

約数和(自身を除く): 37683339

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 93971, 281913, 657797, 845739, 1973391, 2537217, 5920173, 7611651, 17760519, 53281557]

約数ペア:

[(1, 53281557), (3, 17760519), (7, 7611651), (9, 5920173), (21, 2537217), (27, 1973391), (63, 845739), (81, 657797), (189, 281913), (567, 93971)]