128445567

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{12589}}^1$

素因数の和:12790

約数の個数: 16

約数和(自身を含む): 181296000

約数和(自身を除く): 52850433

約数列:

[1, 3, 19, 57, 179, 537, 3401, 10203, 12589, 37767, 239191, 717573, 2253431, 6760293, 42815189, 128445567]

約数ペア:

[(1, 128445567), (3, 42815189), (19, 6760293), (57, 2253431), (179, 717573), (537, 239191), (3401, 37767), (10203, 12589)]