28175007

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{18379}}^1$

素因数の和:18462

約数の個数: 16

約数和(自身を含む): 43523840

約数和(自身を除く): 15348833

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 18379, 55137, 128653, 385959, 1341667, 4025001, 9391669, 28175007]

約数ペア:

[(1, 28175007), (3, 9391669), (7, 4025001), (21, 1341667), (73, 385959), (219, 128653), (511, 55137), (1533, 18379)]