81143295

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{318209}}^1$

素因数の和:318234

約数の個数: 16

約数和(自身を含む): 137466720

約数和(自身を除く): 56323425

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 318209, 954627, 1591045, 4773135, 5409553, 16228659, 27047765, 81143295]

約数ペア:

[(1, 81143295), (3, 27047765), (5, 16228659), (15, 5409553), (17, 4773135), (51, 1591045), (85, 954627), (255, 318209)]