66565557

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{48341}}^1$

素因数の和:48370

約数の個数: 20

約数和(自身を含む): 105288876

約数和(自身を除く): 38723319

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 48341, 145023, 435069, 821797, 1305207, 2465391, 3915621, 7396173, 22188519, 66565557]

約数ペア:

[(1, 66565557), (3, 22188519), (9, 7396173), (17, 3915621), (27, 2465391), (51, 1305207), (81, 821797), (153, 435069), (459, 145023), (1377, 48341)]