8691489

素因数分解:

$3^3\times {\mathrm{487}}^1\times {\mathrm{661}}^1$

素因数の和:1157

約数の個数: 16

約数和(自身を含む): 12922240

約数和(自身を除く): 4230751

約数列:

[1, 3, 9, 27, 487, 661, 1461, 1983, 4383, 5949, 13149, 17847, 321907, 965721, 2897163, 8691489]

約数ペア:

[(1, 8691489), (3, 2897163), (9, 965721), (27, 321907), (487, 17847), (661, 13149), (1461, 5949), (1983, 4383)]