31493691

素因数分解:

$3^4\times {\mathrm{293}}^1\times {\mathrm{1327}}^1$

素因数の和:1632

約数の個数: 20

約数和(自身を含む): 47242272

約数和(自身を除く): 15748581

約数列:

[1, 3, 9, 27, 81, 293, 879, 1327, 2637, 3981, 7911, 11943, 23733, 35829, 107487, 388811, 1166433, 3499299, 10497897, 31493691]

約数ペア:

[(1, 31493691), (3, 10497897), (9, 3499299), (27, 1166433), (81, 388811), (293, 107487), (879, 35829), (1327, 23733), (2637, 11943), (3981, 7911)]