27720154

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{180001}}^1$

素因数の和:180021

約数の個数: 16

約数和(自身を含む): 51840576

約数和(自身を除く): 24120422

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 180001, 360002, 1260007, 1980011, 2520014, 3960022, 13860077, 27720154]

約数ペア:

[(1, 27720154), (2, 13860077), (7, 3960022), (11, 2520014), (14, 1980011), (22, 1260007), (77, 360002), (154, 180001)]