81687159

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{1613}}^1$

素因数の和:1967

約数の個数: 24

約数和(自身を含む): 125388432

約数和(自身を除く): 43701273

約数列:

[1, 3, 9, 17, 51, 153, 331, 993, 1613, 2979, 4839, 5627, 14517, 16881, 27421, 50643, 82263, 246789, 533903, 1601709, 4805127, 9076351, 27229053, 81687159]

約数ペア:

[(1, 81687159), (3, 27229053), (9, 9076351), (17, 4805127), (51, 1601709), (153, 533903), (331, 246789), (993, 82263), (1613, 50643), (2979, 27421), (4839, 16881), (5627, 14517)]