869763987

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{151237}}^1$

素因数の和:151320

約数の個数: 20

約数和(自身を含む): 1317585456

約数和(自身を除く): 447821469

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 151237, 453711, 1361133, 4083399, 10737827, 12250197, 32213481, 96640443, 289921329, 869763987]

約数ペア:

[(1, 869763987), (3, 289921329), (9, 96640443), (27, 32213481), (71, 12250197), (81, 10737827), (213, 4083399), (639, 1361133), (1917, 453711), (5751, 151237)]