249603201

素因数分解:

$3^4\times {\mathrm{1621}}^1\times {\mathrm{1901}}^1$

素因数の和:3534

約数の個数: 20

約数和(自身を含む): 373290324

約数和(自身を除く): 123687123

約数列:

[1, 3, 9, 27, 81, 1621, 1901, 4863, 5703, 14589, 17109, 43767, 51327, 131301, 153981, 3081521, 9244563, 27733689, 83201067, 249603201]

約数ペア:

[(1, 249603201), (3, 83201067), (9, 27733689), (27, 9244563), (81, 3081521), (1621, 153981), (1901, 131301), (4863, 51327), (5703, 43767), (14589, 17109)]