81204543

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{17657}}^1$

素因数の和:17743

約数の個数: 24

約数和(自身を含む): 135895968

約数和(自身を除く): 54691425

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4599, 17657, 52971, 123599, 158913, 370797, 1112391, 1288961, 3866883, 9022727, 11600649, 27068181, 81204543]

約数ペア:

[(1, 81204543), (3, 27068181), (7, 11600649), (9, 9022727), (21, 3866883), (63, 1288961), (73, 1112391), (219, 370797), (511, 158913), (657, 123599), (1533, 52971), (4599, 17657)]