87715677

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{491}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 137539584

約数和(自身を除く): 49823907

約数列:

[1, 3, 7, 21, 47, 141, 181, 329, 491, 543, 987, 1267, 1473, 3437, 3801, 8507, 10311, 23077, 25521, 59549, 69231, 88871, 161539, 178647, 266613, 484617, 622097, 1866291, 4176937, 12530811, 29238559, 87715677]

約数ペア:

[(1, 87715677), (3, 29238559), (7, 12530811), (21, 4176937), (47, 1866291), (141, 622097), (181, 484617), (329, 266613), (491, 178647), (543, 161539), (987, 88871), (1267, 69231), (1473, 59549), (3437, 25521), (3801, 23077), (8507, 10311)]