66576321

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 113577984

約数和(自身を除く): 47001663

約数列:

[1, 3, 7, 9, 21, 53, 63, 127, 157, 159, 371, 381, 471, 477, 889, 1099, 1113, 1143, 1413, 2667, 3297, 3339, 6731, 8001, 8321, 9891, 19939, 20193, 24963, 47117, 58247, 59817, 60579, 74889, 139573, 141351, 174741, 179451, 418719, 424053, 524223, 1056767, 1256157, 3170301, 7397369, 9510903, 22192107, 66576321]

約数ペア:

[(1, 66576321), (3, 22192107), (7, 9510903), (9, 7397369), (21, 3170301), (53, 1256157), (63, 1056767), (127, 524223), (157, 424053), (159, 418719), (371, 179451), (381, 174741), (471, 141351), (477, 139573), (889, 74889), (1099, 60579), (1113, 59817), (1143, 58247), (1413, 47117), (2667, 24963), (3297, 20193), (3339, 19939), (6731, 9891), (8001, 8321)]