81835929

素因数分解:

$3^2\times 7^2\times {\mathrm{185569}}^1$

素因数の和:185589

約数の個数: 18

約数和(自身を含む): 137507370

約数和(自身を除く): 55671441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 185569, 556707, 1298983, 1670121, 3896949, 9092881, 11690847, 27278643, 81835929]

約数ペア:

[(1, 81835929), (3, 27278643), (7, 11690847), (9, 9092881), (21, 3896949), (49, 1670121), (63, 1298983), (147, 556707), (441, 185569)]