81356985

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{106349}}^1$

素因数の和:106377

約数の個数: 24

約数和(自身を含む): 149315400

約数和(自身を除く): 67958415

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 106349, 319047, 531745, 957141, 1595235, 1807933, 4785705, 5423799, 9039665, 16271397, 27118995, 81356985]

約数ペア:

[(1, 81356985), (3, 27118995), (5, 16271397), (9, 9039665), (15, 5423799), (17, 4785705), (45, 1807933), (51, 1595235), (85, 957141), (153, 531745), (255, 319047), (765, 106349)]