81909051

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{66109}}^1$

素因数の和:66178

約数の個数: 16

約数和(自身を含む): 126931200

約数和(自身を除く): 45022149

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 66109, 198327, 462763, 1388289, 3900431, 11701293, 27303017, 81909051]

約数ペア:

[(1, 81909051), (3, 27303017), (7, 11701293), (21, 3900431), (59, 1388289), (177, 462763), (413, 198327), (1239, 66109)]