81810071295

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{320823809}}^1$

素因数の和:320823834

約数の個数: 16

約数和(自身を含む): 138595885920

約数和(自身を除く): 56785814625

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 320823809, 962471427, 1604119045, 4812357135, 5454004753, 16362014259, 27270023765, 81810071295]

約数ペア:

[(1, 81810071295), (3, 27270023765), (5, 16362014259), (15, 5454004753), (17, 4812357135), (51, 1604119045), (85, 962471427), (255, 320823809)]