80954883

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{13691}}^1$

素因数の和:13776

約数の個数: 20

約数和(自身を含む): 122598168

約数和(自身を除く): 41643285

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 13691, 41073, 123219, 369657, 999443, 1108971, 2998329, 8994987, 26984961, 80954883]

約数ペア:

[(1, 80954883), (3, 26984961), (9, 8994987), (27, 2998329), (73, 1108971), (81, 999443), (219, 369657), (657, 123219), (1971, 41073), (5913, 13691)]