65405807991

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{9072799}}^1$

素因数の和:9072900

約数の個数: 20

約数和(自身を含む): 98802792000

約数和(自身を除く): 33396984009

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209, 9072799, 27218397, 81655191, 244965573, 734896719, 807479111, 2422437333, 7267311999, 21801935997, 65405807991]

約数ペア:

[(1, 65405807991), (3, 21801935997), (9, 7267311999), (27, 2422437333), (81, 807479111), (89, 734896719), (267, 244965573), (801, 81655191), (2403, 27218397), (7209, 9072799)]