81489075

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{63913}}^1$

素因数の和:63943

約数の個数: 24

約数和(自身を含む): 142656048

約数和(自身を除く): 61166973

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 63913, 191739, 319565, 958695, 1086521, 1597825, 3259563, 4793475, 5432605, 16297815, 27163025, 81489075]

約数ペア:

[(1, 81489075), (3, 27163025), (5, 16297815), (15, 5432605), (17, 4793475), (25, 3259563), (51, 1597825), (75, 1086521), (85, 958695), (255, 319565), (425, 191739), (1275, 63913)]