172628739

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{68749}}^1$

素因数の和:68792

約数の個数: 20

約数和(自身を含む): 266200000

約数和(自身を除く): 93571261

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 68749, 206247, 618741, 1856223, 2131219, 5568669, 6393657, 19180971, 57542913, 172628739]

約数ペア:

[(1, 172628739), (3, 57542913), (9, 19180971), (27, 6393657), (31, 5568669), (81, 2131219), (93, 1856223), (279, 618741), (837, 206247), (2511, 68749)]