208728873

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{1303}}^1$

素因数の和:1678

約数の個数: 32

約数和(自身を含む): 328608000

約数和(自身を除く): 119879127

約数列:

[1, 3, 9, 17, 27, 51, 153, 349, 459, 1047, 1303, 3141, 3909, 5933, 9423, 11727, 17799, 22151, 35181, 53397, 66453, 160191, 199359, 454747, 598077, 1364241, 4092723, 7730699, 12278169, 23192097, 69576291, 208728873]

約数ペア:

[(1, 208728873), (3, 69576291), (9, 23192097), (17, 12278169), (27, 7730699), (51, 4092723), (153, 1364241), (349, 598077), (459, 454747), (1047, 199359), (1303, 160191), (3141, 66453), (3909, 53397), (5933, 35181), (9423, 22151), (11727, 17799)]