81810621

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{281}}^1$

素因数の和:594

約数の個数: 32

約数和(自身を含む): 125072640

約数和(自身を除く): 43262019

約数列:

[1, 3, 9, 27, 41, 123, 263, 281, 369, 789, 843, 1107, 2367, 2529, 7101, 7587, 10783, 11521, 32349, 34563, 73903, 97047, 103689, 221709, 291141, 311067, 665127, 1995381, 3030023, 9090069, 27270207, 81810621]

約数ペア:

[(1, 81810621), (3, 27270207), (9, 9090069), (27, 3030023), (41, 1995381), (123, 665127), (263, 311067), (281, 291141), (369, 221709), (789, 103689), (843, 97047), (1107, 73903), (2367, 34563), (2529, 32349), (7101, 11521), (7587, 10783)]