805902291

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{2467}}^1$

素因数の和:2625

約数の個数: 40

約数和(自身を含む): 1248265040

約数和(自身を除く): 442362749

約数列:

[1, 3, 9, 27, 37, 81, 109, 111, 327, 333, 981, 999, 2467, 2943, 2997, 4033, 7401, 8829, 12099, 22203, 36297, 66609, 91279, 108891, 199827, 268903, 273837, 326673, 806709, 821511, 2420127, 2464533, 7260381, 7393599, 9949411, 21781143, 29848233, 89544699, 268634097, 805902291]

約数ペア:

[(1, 805902291), (3, 268634097), (9, 89544699), (27, 29848233), (37, 21781143), (81, 9949411), (109, 7393599), (111, 7260381), (327, 2464533), (333, 2420127), (981, 821511), (999, 806709), (2467, 326673), (2943, 273837), (2997, 268903), (4033, 199827), (7401, 108891), (8829, 91279), (12099, 66609), (22203, 36297)]