81626571

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41039}}^1$

素因数の和:41075

約数の個数: 24

約数和(自身を含む): 134447040

約数和(自身を除く): 52820469

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 41039, 123117, 369351, 533507, 697663, 1600521, 2092989, 4801563, 6278967, 9069619, 27208857, 81626571]

約数ペア:

[(1, 81626571), (3, 27208857), (9, 9069619), (13, 6278967), (17, 4801563), (39, 2092989), (51, 1600521), (117, 697663), (153, 533507), (221, 369351), (663, 123117), (1989, 41039)]