2247128487

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{390737}}^1$

素因数の和:390820

約数の個数: 20

約数和(自身を含む): 3404109456

約数和(自身を除く): 1156980969

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 390737, 1172211, 3516633, 10549899, 27742327, 31649697, 83226981, 249680943, 749042829, 2247128487]

約数ペア:

[(1, 2247128487), (3, 749042829), (9, 249680943), (27, 83226981), (71, 31649697), (81, 27742327), (213, 10549899), (639, 3516633), (1917, 1172211), (5751, 390737)]