66986919

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{48647}}^1$

素因数の和:48676

約数の個数: 20

約数和(自身を含む): 105955344

約数和(自身を除く): 38968425

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 48647, 145941, 437823, 826999, 1313469, 2480997, 3940407, 7442991, 22328973, 66986919]

約数ペア:

[(1, 66986919), (3, 22328973), (9, 7442991), (17, 3940407), (27, 2480997), (51, 1313469), (81, 826999), (153, 437823), (459, 145941), (1377, 48647)]