81123417

素因数分解:

$3^3\times {\mathrm{311}}^1\times {\mathrm{9661}}^1$

素因数の和:9981

約数の個数: 16

約数和(自身を含む): 120581760

約数和(自身を除く): 39458343

約数列:

[1, 3, 9, 27, 311, 933, 2799, 8397, 9661, 28983, 86949, 260847, 3004571, 9013713, 27041139, 81123417]

約数ペア:

[(1, 81123417), (3, 27041139), (9, 9013713), (27, 3004571), (311, 260847), (933, 86949), (2799, 28983), (8397, 9661)]