128663343

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{164321}}^1$

素因数の和:164359

約数の個数: 16

約数和(自身を含む): 197186400

約数和(自身を除く): 68523057

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 164321, 492963, 1478889, 4436667, 4765309, 14295927, 42887781, 128663343]

約数ペア:

[(1, 128663343), (3, 42887781), (9, 14295927), (27, 4765309), (29, 4436667), (87, 1478889), (261, 492963), (783, 164321)]