161766963

素因数分解:

$3^4\times {\mathrm{601}}^1\times {\mathrm{3323}}^1$

素因数の和:3936

約数の個数: 20

約数和(自身を含む): 242126808

約数和(自身を除く): 80359845

約数列:

[1, 3, 9, 27, 81, 601, 1803, 3323, 5409, 9969, 16227, 29907, 48681, 89721, 269163, 1997123, 5991369, 17974107, 53922321, 161766963]

約数ペア:

[(1, 161766963), (3, 53922321), (9, 17974107), (27, 5991369), (81, 1997123), (601, 269163), (1803, 89721), (3323, 48681), (5409, 29907), (9969, 16227)]