81316695

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{318889}}^1$

素因数の和:318914

約数の個数: 16

約数和(自身を含む): 137760480

約数和(自身を除く): 56443785

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 318889, 956667, 1594445, 4783335, 5421113, 16263339, 27105565, 81316695]

約数ペア:

[(1, 81316695), (3, 27105565), (5, 16263339), (15, 5421113), (17, 4783335), (51, 1594445), (85, 956667), (255, 318889)]