78087891

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{195709}}^1$

素因数の和:195738

約数の個数: 16

約数和(自身を含む): 125254400

約数和(自身を除く): 47166509

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 195709, 587127, 1369963, 3718471, 4109889, 11155413, 26029297, 78087891]

約数ペア:

[(1, 78087891), (3, 26029297), (7, 11155413), (19, 4109889), (21, 3718471), (57, 1369963), (133, 587127), (399, 195709)]