28870023

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{105751}}^1$

素因数の和:105774

約数の個数: 16

約数和(自身を含む): 47376896

約数和(自身を除く): 18506873

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 105751, 317253, 740257, 1374763, 2220771, 4124289, 9623341, 28870023]

約数ペア:

[(1, 28870023), (3, 9623341), (7, 4124289), (13, 2220771), (21, 1374763), (39, 740257), (91, 317253), (273, 105751)]