128468319

素因数分解:

$3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{32029}}^1$

素因数の和:32230

約数の個数: 16

約数和(自身を含む): 196792320

約数和(自身を除く): 68324001

約数列:

[1, 3, 7, 21, 191, 573, 1337, 4011, 32029, 96087, 224203, 672609, 6117539, 18352617, 42822773, 128468319]

約数ペア:

[(1, 128468319), (3, 42822773), (7, 18352617), (21, 6117539), (191, 672609), (573, 224203), (1337, 96087), (4011, 32029)]