81490321

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{691}}^1$

素因数の和:924

約数の個数: 16

約数和(自身を含む): 90878976

約数和(自身を除く): 9388655

約数列:

[1, 11, 71, 151, 691, 781, 1661, 7601, 10721, 49061, 104341, 117931, 539671, 1147751, 7408211, 81490321]

約数ペア:

[(1, 81490321), (11, 7408211), (71, 1147751), (151, 539671), (691, 117931), (781, 104341), (1661, 49061), (7601, 10721)]