28990563

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{18911}}^1$

素因数の和:18994

約数の個数: 16

約数和(自身を含む): 44783616

約数和(自身を除く): 15793053

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 18911, 56733, 132377, 397131, 1380503, 4141509, 9663521, 28990563]

約数ペア:

[(1, 28990563), (3, 9663521), (7, 4141509), (21, 1380503), (73, 397131), (219, 132377), (511, 56733), (1533, 18911)]