2641720797

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{639487}}^1$

素因数の和:639519

約数の個数: 24

約数和(自身を含む): 4189925376

約数和(自身を除く): 1548204579

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 639487, 1918461, 5755383, 10871279, 17266149, 32613837, 51798447, 97841511, 155395341, 293524533, 880573599, 2641720797]

約数ペア:

[(1, 2641720797), (3, 880573599), (9, 293524533), (17, 155395341), (27, 97841511), (51, 51798447), (81, 32613837), (153, 17266149), (243, 10871279), (459, 5755383), (1377, 1918461), (4131, 639487)]