28105005

素因数分解:

$3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{9511}}^1$

素因数の和:9716

約数の個数: 16

約数和(自身を含む): 45201024

約数和(自身を除く): 17096019

約数列:

[1, 3, 5, 15, 197, 591, 985, 2955, 9511, 28533, 47555, 142665, 1873667, 5621001, 9368335, 28105005]

約数ペア:

[(1, 28105005), (3, 9368335), (5, 5621001), (15, 1873667), (197, 142665), (591, 47555), (985, 28533), (2955, 9511)]