16154721

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{18131}}^1$

素因数の和:18154

約数の個数: 20

約数和(自身を含む): 26327664

約数和(自身を除く): 10172943

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 18131, 54393, 163179, 199441, 489537, 598323, 1468611, 1794969, 5384907, 16154721]

約数ペア:

[(1, 16154721), (3, 5384907), (9, 1794969), (11, 1468611), (27, 598323), (33, 489537), (81, 199441), (99, 163179), (297, 54393), (891, 18131)]