128897643

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{115811}}^1$

素因数の和:115874

約数の個数: 16

約数和(自身を含む): 200123136

約数和(自身を除く): 71225493

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 115811, 347433, 810677, 2432031, 6137983, 18413949, 42965881, 128897643]

約数ペア:

[(1, 128897643), (3, 42965881), (7, 18413949), (21, 6137983), (53, 2432031), (159, 810677), (371, 347433), (1113, 115811)]