128210997

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{631}}^1\times {\mathrm{761}}^1$

素因数の和:1484

約数の個数: 16

約数和(自身を含む): 173370240

約数和(自身を除く): 45159243

約数列:

[1, 3, 89, 267, 631, 761, 1893, 2283, 56159, 67729, 168477, 203187, 480191, 1440573, 42736999, 128210997]

約数ペア:

[(1, 128210997), (3, 42736999), (89, 1440573), (267, 480191), (631, 203187), (761, 168477), (1893, 67729), (2283, 56159)]