18489297141

素因数分解:

$3^3\times 7^1\times {\mathrm{97826969}}^1$

素因数の和:97826985

約数の個数: 16

約数和(自身を含む): 31304630400

約数和(自身を除く): 12815333259

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 97826969, 293480907, 684788783, 880442721, 2054366349, 2641328163, 6163099047, 18489297141]

約数ペア:

[(1, 18489297141), (3, 6163099047), (7, 2641328163), (9, 2054366349), (21, 880442721), (27, 684788783), (63, 293480907), (189, 97826969)]