81064557

素因数分解:

$3^5\times 7^1\times {\mathrm{47657}}^1$

素因数の和:47679

約数の個数: 24

約数和(自身を含む): 138780096

約数和(自身を除く): 57715539

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 47657, 142971, 333599, 428913, 1000797, 1286739, 3002391, 3860217, 9007173, 11580651, 27021519, 81064557]

約数ペア:

[(1, 81064557), (3, 27021519), (7, 11580651), (9, 9007173), (21, 3860217), (27, 3002391), (63, 1286739), (81, 1000797), (189, 428913), (243, 333599), (567, 142971), (1701, 47657)]