28945221

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{1693}}^1$

素因数の和:1876

約数の個数: 16

約数和(自身を含む): 39842880

約数和(自身を除く): 10897659

約数列:

[1, 3, 41, 123, 139, 417, 1693, 5079, 5699, 17097, 69413, 208239, 235327, 705981, 9648407, 28945221]

約数ペア:

[(1, 28945221), (3, 9648407), (41, 705981), (123, 235327), (139, 208239), (417, 69413), (1693, 17097), (5079, 5699)]