720193173

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{729679}}^1$

素因数の和:729736

約数の個数: 16

約数和(自身を含む): 1120788480

約数和(自身を除く): 400595307

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 729679, 2189037, 5107753, 15323259, 34294913, 102884739, 240064391, 720193173]

約数ペア:

[(1, 720193173), (3, 240064391), (7, 102884739), (21, 34294913), (47, 15323259), (141, 5107753), (329, 2189037), (987, 729679)]