191631209

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{32321}}^1$

素因数の和:32357

約数の個数: 18

約数和(自身を含む): 245033082

約数和(自身を除く): 53401873

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 5929, 32321, 226247, 355531, 1583729, 2488717, 3910841, 17421019, 27375887, 191631209]

約数ペア:

[(1, 191631209), (7, 27375887), (11, 17421019), (49, 3910841), (77, 2488717), (121, 1583729), (539, 355531), (847, 226247), (5929, 32321)]