205992087

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{138157}}^1$

素因数の和:138238

約数の個数: 16

約数和(自身を含む): 318316032

約数和(自身を除く): 112323945

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 138157, 414471, 967099, 2901297, 9809147, 29427441, 68664029, 205992087]

約数ペア:

[(1, 205992087), (3, 68664029), (7, 29427441), (21, 9809147), (71, 2901297), (213, 967099), (497, 414471), (1491, 138157)]