207974289

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{4051}}^1$

素因数の和:4320

約数の個数: 16

約数和(自身を含む): 281695040

約数和(自身を除く): 73720751

約数列:

[1, 3, 109, 157, 327, 471, 4051, 12153, 17113, 51339, 441559, 636007, 1324677, 1908021, 69324763, 207974289]

約数ペア:

[(1, 207974289), (3, 69324763), (109, 1908021), (157, 1324677), (327, 636007), (471, 441559), (4051, 51339), (12153, 17113)]