78864261

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79903}}^1$

素因数の和:79960

約数の個数: 16

約数和(自身を含む): 122732544

約数和(自身を除く): 43868283

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 79903, 239709, 559321, 1677963, 3755441, 11266323, 26288087, 78864261]

約数ペア:

[(1, 78864261), (3, 26288087), (7, 11266323), (21, 3755441), (47, 1677963), (141, 559321), (329, 239709), (987, 79903)]