2021097177

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:540

約数の個数: 80

約数和(自身を含む): 3392243712

約数和(自身を除く): 1371146535

約数列:

[1, 3, 9, 11, 27, 33, 53, 81, 99, 127, 159, 297, 337, 381, 477, 583, 891, 1011, 1143, 1397, 1431, 1749, 3033, 3429, 3707, 4191, 4293, 5247, 6731, 9099, 10287, 11121, 12573, 15741, 17861, 20193, 27297, 33363, 37719, 42799, 47223, 53583, 60579, 74041, 100089, 113157, 128397, 160749, 181737, 196471, 222123, 300267, 385191, 470789, 482247, 545211, 589413, 666369, 1155573, 1412367, 1446741, 1768239, 1999107, 2268347, 3466719, 4237101, 5304717, 5997321, 6805041, 12711303, 15914151, 20415123, 24951817, 38133909, 61245369, 74855451, 183736107, 224566353, 673699059, 2021097177]

約数ペア:

[(1, 2021097177), (3, 673699059), (9, 224566353), (11, 183736107), (27, 74855451), (33, 61245369), (53, 38133909), (81, 24951817), (99, 20415123), (127, 15914151), (159, 12711303), (297, 6805041), (337, 5997321), (381, 5304717), (477, 4237101), (583, 3466719), (891, 2268347), (1011, 1999107), (1143, 1768239), (1397, 1446741), (1431, 1412367), (1749, 1155573), (3033, 666369), (3429, 589413), (3707, 545211), (4191, 482247), (4293, 470789), (5247, 385191), (6731, 300267), (9099, 222123), (10287, 196471), (11121, 181737), (12573, 160749), (15741, 128397), (17861, 113157), (20193, 100089), (27297, 74041), (33363, 60579), (37719, 53583), (42799, 47223)]