81481527

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{31327}}^1$

素因数の和:31367

約数の個数: 18

約数和(自身を含む): 125030048

約数和(自身を除く): 43548521

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 31327, 93981, 281943, 532559, 1597677, 4793031, 9053503, 27160509, 81481527]

約数ペア:

[(1, 81481527), (3, 27160509), (9, 9053503), (17, 4793031), (51, 1597677), (153, 532559), (289, 281943), (867, 93981), (2601, 31327)]