406979667

素因数分解:

$3^3\times {\mathrm{751}}^1\times {\mathrm{20071}}^1$

素因数の和:20831

約数の個数: 16

約数和(自身を含む): 603765760

約数和(自身を除く): 196786093

約数列:

[1, 3, 9, 27, 751, 2253, 6759, 20071, 20277, 60213, 180639, 541917, 15073321, 45219963, 135659889, 406979667]

約数ペア:

[(1, 406979667), (3, 135659889), (9, 45219963), (27, 15073321), (751, 541917), (2253, 180639), (6759, 60213), (20071, 20277)]