87191433

素因数分解:

$3^2\times 7^2\times {\mathrm{197713}}^1$

素因数の和:197733

約数の個数: 18

約数和(自身を含む): 146506074

約数和(自身を除く): 59314641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 197713, 593139, 1383991, 1779417, 4151973, 9687937, 12455919, 29063811, 87191433]

約数ペア:

[(1, 87191433), (3, 29063811), (7, 12455919), (9, 9687937), (21, 4151973), (49, 1779417), (63, 1383991), (147, 593139), (441, 197713)]