28409451

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{36563}}^1$

素因数の和:36610

約数の個数: 16

約数和(自身を含む): 44461824

約数和(自身を除く): 16052373

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 36563, 109689, 255941, 767823, 1352831, 4058493, 9469817, 28409451]

約数ペア:

[(1, 28409451), (3, 9469817), (7, 4058493), (21, 1352831), (37, 767823), (111, 255941), (259, 109689), (777, 36563)]