28236345

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26513}}^1$

素因数の和:26592

約数の個数: 16

約数和(自身を含む): 45816192

約数和(自身を除く): 17579847

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 26513, 79539, 132565, 397695, 1882423, 5647269, 9412115, 28236345]

約数ペア:

[(1, 28236345), (3, 9412115), (5, 5647269), (15, 1882423), (71, 397695), (213, 132565), (355, 79539), (1065, 26513)]