77228721

素因数分解:

$3^4\times {\mathrm{631}}^1\times {\mathrm{1511}}^1$

素因数の和:2154

約数の個数: 20

約数和(自身を含む): 115625664

約数和(自身を除く): 38396943

約数列:

[1, 3, 9, 27, 81, 631, 1511, 1893, 4533, 5679, 13599, 17037, 40797, 51111, 122391, 953441, 2860323, 8580969, 25742907, 77228721]

約数ペア:

[(1, 77228721), (3, 25742907), (9, 8580969), (27, 2860323), (81, 953441), (631, 122391), (1511, 51111), (1893, 40797), (4533, 17037), (5679, 13599)]