290425071

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 412231680

約数和(自身を除く): 121806609

約数列:

[1, 3, 23, 69, 107, 139, 283, 321, 417, 849, 2461, 3197, 6509, 7383, 9591, 14873, 19527, 30281, 39337, 44619, 90843, 118011, 342079, 696463, 904751, 1026237, 2089389, 2714253, 4209059, 12627177, 96808357, 290425071]

約数ペア:

[(1, 290425071), (3, 96808357), (23, 12627177), (69, 4209059), (107, 2714253), (139, 2089389), (283, 1026237), (321, 904751), (417, 696463), (849, 342079), (2461, 118011), (3197, 90843), (6509, 44619), (7383, 39337), (9591, 30281), (14873, 19527)]