81694818

素因数分解:

$2^1\times 3^4\times {\mathrm{504289}}^1$

素因数の和:504303

約数の個数: 20

約数和(自身を含む): 183057270

約数和(自身を除く): 101362452

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 504289, 1008578, 1512867, 3025734, 4538601, 9077202, 13615803, 27231606, 40847409, 81694818]

約数ペア:

[(1, 81694818), (2, 40847409), (3, 27231606), (6, 13615803), (9, 9077202), (18, 4538601), (27, 3025734), (54, 1512867), (81, 1008578), (162, 504289)]