15805281

素因数分解:

$3^1\times {\mathrm{131}}^2\times {\mathrm{307}}^1$

素因数の和:572

約数の個数: 12

約数和(自身を含む): 21304976

約数和(自身を除く): 5499695

約数列:

[1, 3, 131, 307, 393, 921, 17161, 40217, 51483, 120651, 5268427, 15805281]

約数ペア:

[(1, 15805281), (3, 5268427), (131, 120651), (307, 51483), (393, 40217), (921, 17161)]