28097043

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 41771520

約数和(自身を除く): 13674477

約数列:

[1, 3, 13, 39, 71, 73, 139, 213, 219, 417, 923, 949, 1807, 2769, 2847, 5183, 5421, 9869, 10147, 15549, 29607, 30441, 67379, 128297, 131911, 202137, 384891, 395733, 720437, 2161311, 9365681, 28097043]

約数ペア:

[(1, 28097043), (3, 9365681), (13, 2161311), (39, 720437), (71, 395733), (73, 384891), (139, 202137), (213, 131911), (219, 128297), (417, 67379), (923, 30441), (949, 29607), (1807, 15549), (2769, 10147), (2847, 9869), (5183, 5421)]