208569843

素因数分解:

$3^3\times {\mathrm{1609}}^1\times {\mathrm{4801}}^1$

素因数の和:6419

約数の個数: 16

約数和(自身を含む): 309248800

約数和(自身を除く): 100678957

約数列:

[1, 3, 9, 27, 1609, 4801, 4827, 14403, 14481, 43209, 43443, 129627, 7724809, 23174427, 69523281, 208569843]

約数ペア:

[(1, 208569843), (3, 69523281), (9, 23174427), (27, 7724809), (1609, 129627), (4801, 43443), (4827, 43209), (14403, 14481)]