15880389

素因数分解:

$3^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{1117}}^1$

素因数の和:1804

約数の個数: 16

約数和(自身を含む): 24256128

約数和(自身を除く): 8375739

約数列:

[1, 3, 7, 21, 677, 1117, 2031, 3351, 4739, 7819, 14217, 23457, 756209, 2268627, 5293463, 15880389]

約数ペア:

[(1, 15880389), (3, 5293463), (7, 2268627), (21, 756209), (677, 23457), (1117, 14217), (2031, 7819), (3351, 4739)]