56581749

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 96864768

約数和(自身を除く): 40283019

約数列:

[1, 3, 7, 9, 21, 47, 63, 97, 141, 197, 291, 329, 423, 591, 679, 873, 987, 1379, 1773, 2037, 2961, 4137, 4559, 6111, 9259, 12411, 13677, 19109, 27777, 31913, 41031, 57327, 64813, 83331, 95739, 133763, 171981, 194439, 287217, 401289, 583317, 898123, 1203867, 2694369, 6286861, 8083107, 18860583, 56581749]

約数ペア:

[(1, 56581749), (3, 18860583), (7, 8083107), (9, 6286861), (21, 2694369), (47, 1203867), (63, 898123), (97, 583317), (141, 401289), (197, 287217), (291, 194439), (329, 171981), (423, 133763), (591, 95739), (679, 83331), (873, 64813), (987, 57327), (1379, 41031), (1773, 31913), (2037, 27777), (2961, 19109), (4137, 13677), (4559, 12411), (6111, 9259)]