128431089

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{27817}}^1$

素因数の和:27851

約数の個数: 24

約数和(自身を含む): 202515040

約数和(自身を除く): 74083951

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 4617, 27817, 83451, 250353, 528523, 751059, 1585569, 2253177, 4756707, 6759531, 14270121, 42810363, 128431089]

約数ペア:

[(1, 128431089), (3, 42810363), (9, 14270121), (19, 6759531), (27, 4756707), (57, 2253177), (81, 1585569), (171, 751059), (243, 528523), (513, 250353), (1539, 83451), (4617, 27817)]