56289723

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1987}}^1$

素因数の和:2087

約数の個数: 32

約数和(自身を含む): 91607040

約数和(自身を除く): 35317317

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1349, 1491, 1987, 4047, 5961, 9443, 13909, 28329, 37753, 41727, 113259, 141077, 264271, 423231, 792813, 987539, 2680463, 2962617, 8041389, 18763241, 56289723]

約数ペア:

[(1, 56289723), (3, 18763241), (7, 8041389), (19, 2962617), (21, 2680463), (57, 987539), (71, 792813), (133, 423231), (213, 264271), (399, 141077), (497, 113259), (1349, 41727), (1491, 37753), (1987, 28329), (4047, 13909), (5961, 9443)]