206850429

素因数分解:

$3^4\times {\mathrm{647}}^1\times {\mathrm{3947}}^1$

素因数の和:4606

約数の個数: 20

約数和(自身を含む): 309554784

約数和(自身を除く): 102704355

約数列:

[1, 3, 9, 27, 81, 647, 1941, 3947, 5823, 11841, 17469, 35523, 52407, 106569, 319707, 2553709, 7661127, 22983381, 68950143, 206850429]

約数ペア:

[(1, 206850429), (3, 68950143), (9, 22983381), (27, 7661127), (81, 2553709), (647, 319707), (1941, 106569), (3947, 52407), (5823, 35523), (11841, 17469)]