56756553

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{2903}}^1$

素因数の和:2946

約数の個数: 32

約数和(自身を含む): 92928000

約数和(自身を除く): 36171447

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 931, 1029, 2793, 2903, 6517, 8709, 19551, 20321, 55157, 60963, 142247, 165471, 386099, 426741, 995729, 1158297, 2702693, 2987187, 8108079, 18918851, 56756553]

約数ペア:

[(1, 56756553), (3, 18918851), (7, 8108079), (19, 2987187), (21, 2702693), (49, 1158297), (57, 995729), (133, 426741), (147, 386099), (343, 165471), (399, 142247), (931, 60963), (1029, 55157), (2793, 20321), (2903, 19551), (6517, 8709)]