81647319

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{44543}}^1$

素因数の和:44606

約数の個数: 16

約数和(自身を含む): 119734272

約数和(自身を除く): 38086953

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 44543, 133629, 579059, 1737177, 2093521, 6280563, 27215773, 81647319]

約数ペア:

[(1, 81647319), (3, 27215773), (13, 6280563), (39, 2093521), (47, 1737177), (141, 579059), (611, 133629), (1833, 44543)]