81351477

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{31277}}^1$

素因数の和:31317

約数の個数: 18

約数和(自身を含む): 124830498

約数和(自身を除く): 43479021

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 31277, 93831, 281493, 531709, 1595127, 4785381, 9039053, 27117159, 81351477]

約数ペア:

[(1, 81351477), (3, 27117159), (9, 9039053), (17, 4785381), (51, 1595127), (153, 531709), (289, 281493), (867, 93831), (2601, 31277)]