28239945

素因数分解:

$3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{5939}}^1$

素因数の和:6264

約数の個数: 16

約数和(自身を含む): 45334080

約数和(自身を除く): 17094135

約数列:

[1, 3, 5, 15, 317, 951, 1585, 4755, 5939, 17817, 29695, 89085, 1882663, 5647989, 9413315, 28239945]

約数ペア:

[(1, 28239945), (3, 9413315), (5, 5647989), (15, 1882663), (317, 89085), (951, 29695), (1585, 17817), (4755, 5939)]