828995321

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{978743}}^1$

素因数の和:978772

約数の個数: 12

約数和(自身を含む): 1041383616

約数和(自身を除く): 212388295

約数列:

[1, 7, 11, 77, 121, 847, 978743, 6851201, 10766173, 75363211, 118427903, 828995321]

約数ペア:

[(1, 828995321), (7, 118427903), (11, 75363211), (77, 10766173), (121, 6851201), (847, 978743)]