161427203

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{2963}}^1$

素因数の和:3194

約数の個数: 16

約数和(自身を含む): 189885696

約数和(自身を除く): 28458493

約数列:

[1, 7, 43, 181, 301, 1267, 2963, 7783, 20741, 54481, 127409, 536303, 891863, 3754121, 23061029, 161427203]

約数ペア:

[(1, 161427203), (7, 23061029), (43, 3754121), (181, 891863), (301, 536303), (1267, 127409), (2963, 54481), (7783, 20741)]