53312721

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{20981}}^1$

素因数の和:21013

約数の個数: 24

約数和(自身を含む): 89299392

約数和(自身を除く): 35986671

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 20981, 62943, 146867, 230791, 440601, 692373, 1615537, 2538701, 4846611, 7616103, 17770907, 53312721]

約数ペア:

[(1, 53312721), (3, 17770907), (7, 7616103), (11, 4846611), (21, 2538701), (33, 1615537), (77, 692373), (121, 440601), (231, 230791), (363, 146867), (847, 62943), (2541, 20981)]