12737305

素因数分解:

$5^1\times 7^4\times {\mathrm{1061}}^1$

素因数の和:1094

約数の個数: 20

約数和(自身を含む): 17847972

約数和(自身を除く): 5110667

約数列:

[1, 5, 7, 35, 49, 245, 343, 1061, 1715, 2401, 5305, 7427, 12005, 37135, 51989, 259945, 363923, 1819615, 2547461, 12737305]

約数ペア:

[(1, 12737305), (5, 2547461), (7, 1819615), (35, 363923), (49, 259945), (245, 51989), (343, 37135), (1061, 12005), (1715, 7427), (2401, 5305)]