206981187

素因数分解:

$3^1\times 7^1\times {\mathrm{2371}}^1\times {\mathrm{4157}}^1$

素因数の和:6538

約数の個数: 16

約数和(自身を含む): 315608832

約数和(自身を除く): 108627645

約数列:

[1, 3, 7, 21, 2371, 4157, 7113, 12471, 16597, 29099, 49791, 87297, 9856247, 29568741, 68993729, 206981187]

約数ペア:

[(1, 206981187), (3, 68993729), (7, 29568741), (21, 9856247), (2371, 87297), (4157, 49791), (7113, 29099), (12471, 16597)]