28245021

素因数分解:

$3^1\times 7^3\times {\mathrm{27449}}^1$

素因数の和:27473

約数の個数: 16

約数和(自身を含む): 43920000

約数和(自身を除く): 15674979

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 27449, 82347, 192143, 576429, 1345001, 4035003, 9415007, 28245021]

約数ペア:

[(1, 28245021), (3, 9415007), (7, 4035003), (21, 1345001), (49, 576429), (147, 192143), (343, 82347), (1029, 27449)]