81325908

素因数分解:

$2^2\times 3^2\times {\mathrm{2259053}}^1$

素因数の和:2259063

約数の個数: 18

約数和(自身を含む): 205573914

約数和(自身を除く): 124248006

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2259053, 4518106, 6777159, 9036212, 13554318, 20331477, 27108636, 40662954, 81325908]

約数ペア:

[(1, 81325908), (2, 40662954), (3, 27108636), (4, 20331477), (6, 13554318), (9, 9036212), (12, 6777159), (18, 4518106), (36, 2259053)]