13890009

素因数分解:

$3^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{977}}^1$

素因数の和:1664

約数の個数: 16

約数和(自身を含む): 21218688

約数和(自身を除く): 7328679

約数列:

[1, 3, 7, 21, 677, 977, 2031, 2931, 4739, 6839, 14217, 20517, 661429, 1984287, 4630003, 13890009]

約数ペア:

[(1, 13890009), (3, 4630003), (7, 1984287), (21, 661429), (677, 20517), (977, 14217), (2031, 6839), (2931, 4739)]