56475513

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{21713}}^1$

素因数の和:21753

約数の個数: 18

約数和(自身を含む): 86660574

約数和(自身を除く): 30185061

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 21713, 65139, 195417, 369121, 1107363, 3322089, 6275057, 18825171, 56475513]

約数ペア:

[(1, 56475513), (3, 18825171), (9, 6275057), (17, 3322089), (51, 1107363), (153, 369121), (289, 195417), (867, 65139), (2601, 21713)]