81958455

素因数分解:

$3^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{2213}}^1$

素因数の和:3047

約数の個数: 24

約数和(自身を含む): 142298208

約数和(自身を除く): 60339753

約数列:

[1, 3, 5, 9, 15, 45, 823, 2213, 2469, 4115, 6639, 7407, 11065, 12345, 19917, 33195, 37035, 99585, 1821299, 5463897, 9106495, 16391691, 27319485, 81958455]

約数ペア:

[(1, 81958455), (3, 27319485), (5, 16391691), (9, 9106495), (15, 5463897), (45, 1821299), (823, 99585), (2213, 37035), (2469, 33195), (4115, 19917), (6639, 12345), (7407, 11065)]