187671681

素因数分解:

$3^3\times {\mathrm{557}}^1\times {\mathrm{12479}}^1$

素因数の和:13045

約数の個数: 16

約数和(自身を含む): 278553600

約数和(自身を除く): 90881919

約数列:

[1, 3, 9, 27, 557, 1671, 5013, 12479, 15039, 37437, 112311, 336933, 6950803, 20852409, 62557227, 187671681]

約数ペア:

[(1, 187671681), (3, 62557227), (9, 20852409), (27, 6950803), (557, 336933), (1671, 112311), (5013, 37437), (12479, 15039)]