13017879

素因数分解:

$3^2\times 7^3\times {\mathrm{4217}}^1$

素因数の和:4244

約数の個数: 24

約数和(自身を含む): 21933600

約数和(自身を除く): 8915721

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 4217, 12651, 29519, 37953, 88557, 206633, 265671, 619899, 1446431, 1859697, 4339293, 13017879]

約数ペア:

[(1, 13017879), (3, 4339293), (7, 1859697), (9, 1446431), (21, 619899), (49, 265671), (63, 206633), (147, 88557), (343, 37953), (441, 29519), (1029, 12651), (3087, 4217)]