54641321

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{3089}}^1$

素因数の和:3141

約数の個数: 18

約数和(自身を含む): 67105530

約数和(自身を除く): 12464209

約数列:

[1, 7, 19, 49, 133, 361, 931, 2527, 3089, 17689, 21623, 58691, 151361, 410837, 1115129, 2875859, 7805903, 54641321]

約数ペア:

[(1, 54641321), (7, 7805903), (19, 2875859), (49, 1115129), (133, 410837), (361, 151361), (931, 58691), (2527, 21623), (3089, 17689)]