31940001

素因数分解:

$3^4\times {\mathrm{251}}^1\times {\mathrm{1571}}^1$

素因数の和:1834

約数の個数: 20

約数和(自身を含む): 47933424

約数和(自身を除く): 15993423

約数列:

[1, 3, 9, 27, 81, 251, 753, 1571, 2259, 4713, 6777, 14139, 20331, 42417, 127251, 394321, 1182963, 3548889, 10646667, 31940001]

約数ペア:

[(1, 31940001), (3, 10646667), (9, 3548889), (27, 1182963), (81, 394321), (251, 127251), (753, 42417), (1571, 20331), (2259, 14139), (4713, 6777)]