16198623

素因数分解:

$3^5\times 7^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 28304640

約数和(自身を除く): 12106017

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 89, 107, 189, 243, 267, 321, 567, 623, 749, 801, 963, 1701, 1869, 2247, 2403, 2889, 5607, 6741, 7209, 8667, 9523, 16821, 20223, 21627, 26001, 28569, 50463, 60669, 66661, 85707, 151389, 182007, 199983, 257121, 599949, 771363, 1799847, 2314089, 5399541, 16198623]

約数ペア:

[(1, 16198623), (3, 5399541), (7, 2314089), (9, 1799847), (21, 771363), (27, 599949), (63, 257121), (81, 199983), (89, 182007), (107, 151389), (189, 85707), (243, 66661), (267, 60669), (321, 50463), (567, 28569), (623, 26001), (749, 21627), (801, 20223), (963, 16821), (1701, 9523), (1869, 8667), (2247, 7209), (2403, 6741), (2889, 5607)]