81245295

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{35401}}^1$

素因数の和:35432

約数の個数: 32

約数和(自身を含む): 152936640

約数和(自身を除く): 71691345

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 35401, 106203, 177005, 318609, 531015, 601817, 955827, 1593045, 1805451, 3009085, 4779135, 5416353, 9027255, 16249059, 27081765, 81245295]

約数ペア:

[(1, 81245295), (3, 27081765), (5, 16249059), (9, 9027255), (15, 5416353), (17, 4779135), (27, 3009085), (45, 1805451), (51, 1593045), (85, 955827), (135, 601817), (153, 531015), (255, 318609), (459, 177005), (765, 106203), (2295, 35401)]