28487739

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{18583}}^1$

素因数の和:18666

約数の個数: 16

約数和(自身を含む): 44006912

約数和(自身を除く): 15519173

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 18583, 55749, 130081, 390243, 1356559, 4069677, 9495913, 28487739]

約数ペア:

[(1, 28487739), (3, 9495913), (7, 4069677), (21, 1356559), (73, 390243), (219, 130081), (511, 55749), (1533, 18583)]