128312829

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{25969}}^1$

素因数の和:26042

約数の個数: 20

約数和(自身を含む): 194826940

約数和(自身を除く): 66514111

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 25969, 77907, 233721, 701163, 1584109, 2103489, 4752327, 14256981, 42770943, 128312829]

約数ペア:

[(1, 128312829), (3, 42770943), (9, 14256981), (27, 4752327), (61, 2103489), (81, 1584109), (183, 701163), (549, 233721), (1647, 77907), (4941, 25969)]