25711257

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{821}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 40876416

約数和(自身を除く): 15165159

約数列:

[1, 3, 11, 13, 33, 39, 73, 143, 219, 429, 803, 821, 949, 2409, 2463, 2847, 9031, 10439, 10673, 27093, 31317, 32019, 59933, 117403, 179799, 352209, 659263, 779129, 1977789, 2337387, 8570419, 25711257]

約数ペア:

[(1, 25711257), (3, 8570419), (11, 2337387), (13, 1977789), (33, 779129), (39, 659263), (73, 352209), (143, 179799), (219, 117403), (429, 59933), (803, 32019), (821, 31317), (949, 27093), (2409, 10673), (2463, 10439), (2847, 9031)]