56705691

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{8971}}^1$

素因数の和:9031

約数の個数: 24

約数和(自身を含む): 90007104

約数和(自身を除く): 33301413

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 6321, 8971, 26913, 62797, 188391, 385753, 439579, 1157259, 1318737, 2700271, 8100813, 18901897, 56705691]

約数ペア:

[(1, 56705691), (3, 18901897), (7, 8100813), (21, 2700271), (43, 1318737), (49, 1157259), (129, 439579), (147, 385753), (301, 188391), (903, 62797), (2107, 26913), (6321, 8971)]