27998075

素因数分解:

$5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1151}}^1$

素因数の和:1307

約数の個数: 24

約数和(自身を含む): 39997440

約数和(自身を除く): 11999365

約数列:

[1, 5, 7, 25, 35, 139, 175, 695, 973, 1151, 3475, 4865, 5755, 8057, 24325, 28775, 40285, 159989, 201425, 799945, 1119923, 3999725, 5599615, 27998075]

約数ペア:

[(1, 27998075), (5, 5599615), (7, 3999725), (25, 1119923), (35, 799945), (139, 201425), (175, 159989), (695, 40285), (973, 28775), (1151, 24325), (3475, 8057), (4865, 5755)]