2178771

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{359}}^1$

素因数の和:403

約数の個数: 24

約数和(自身を含む): 3536640

約数和(自身を除く): 1357869

約数列:

[1, 3, 7, 17, 21, 51, 119, 289, 357, 359, 867, 1077, 2023, 2513, 6069, 6103, 7539, 18309, 42721, 103751, 128163, 311253, 726257, 2178771]

約数ペア:

[(1, 2178771), (3, 726257), (7, 311253), (17, 128163), (21, 103751), (51, 42721), (119, 18309), (289, 7539), (357, 6103), (359, 6069), (867, 2513), (1077, 2023)]