39890739

素因数分解:

$3^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{2749}}^1$

素因数の和:3450

約数の個数: 16

約数和(自身を含む): 60896000

約数和(自身を除く): 21005261

約数列:

[1, 3, 7, 21, 691, 2073, 2749, 4837, 8247, 14511, 19243, 57729, 1899559, 5698677, 13296913, 39890739]

約数ペア:

[(1, 39890739), (3, 13296913), (7, 5698677), (21, 1899559), (691, 57729), (2073, 19243), (2749, 14511), (4837, 8247)]