27997025

素因数分解:

$5^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1019}}^1$

素因数の和:1193

約数の個数: 24

約数和(自身を含む): 39967680

約数和(自身を除く): 11970655

約数列:

[1, 5, 7, 25, 35, 157, 175, 785, 1019, 1099, 3925, 5095, 5495, 7133, 25475, 27475, 35665, 159983, 178325, 799915, 1119881, 3999575, 5599405, 27997025]

約数ペア:

[(1, 27997025), (5, 5599405), (7, 3999575), (25, 1119881), (35, 799915), (157, 178325), (175, 159983), (785, 35665), (1019, 27475), (1099, 25475), (3925, 7133), (5095, 5495)]