25620063

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 40212480

約数和(自身を除く): 14592417

約数列:

[1, 3, 7, 21, 67, 131, 139, 201, 393, 417, 469, 917, 973, 1407, 2751, 2919, 8777, 9313, 18209, 26331, 27939, 54627, 61439, 65191, 127463, 184317, 195573, 382389, 1220003, 3660009, 8540021, 25620063]

約数ペア:

[(1, 25620063), (3, 8540021), (7, 3660009), (21, 1220003), (67, 382389), (131, 195573), (139, 184317), (201, 127463), (393, 65191), (417, 61439), (469, 54627), (917, 27939), (973, 26331), (1407, 18209), (2751, 9313), (2919, 8777)]