81051999

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{72823}}^1$

素因数の和:72886

約数の個数: 16

約数和(自身を含む): 125839872

約数和(自身を除く): 44787873

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 72823, 218469, 509761, 1529283, 3859619, 11578857, 27017333, 81051999]

約数ペア:

[(1, 81051999), (3, 27017333), (7, 11578857), (21, 3859619), (53, 1529283), (159, 509761), (371, 218469), (1113, 72823)]