208539171

素因数分解:

$3^3\times {\mathrm{1451}}^1\times {\mathrm{5323}}^1$

素因数の和:6783

約数の個数: 16

約数和(自身を含む): 309217920

約数和(自身を除く): 100678749

約数列:

[1, 3, 9, 27, 1451, 4353, 5323, 13059, 15969, 39177, 47907, 143721, 7723673, 23171019, 69513057, 208539171]

約数ペア:

[(1, 208539171), (3, 69513057), (9, 23171019), (27, 7723673), (1451, 143721), (4353, 47907), (5323, 39177), (13059, 15969)]