388590957

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 605404800

約数和(自身を除く): 216813843

約数列:

[1, 3, 9, 23, 43, 69, 129, 149, 207, 293, 387, 447, 879, 989, 1341, 2637, 2967, 3427, 6407, 6739, 8901, 10281, 12599, 19221, 20217, 30843, 37797, 43657, 57663, 60651, 113391, 130971, 147361, 289777, 392913, 442083, 869331, 1004111, 1326249, 1877251, 2607993, 3012333, 5631753, 9036999, 16895259, 43176773, 129530319, 388590957]

約数ペア:

[(1, 388590957), (3, 129530319), (9, 43176773), (23, 16895259), (43, 9036999), (69, 5631753), (129, 3012333), (149, 2607993), (207, 1877251), (293, 1326249), (387, 1004111), (447, 869331), (879, 442083), (989, 392913), (1341, 289777), (2637, 147361), (2967, 130971), (3427, 113391), (6407, 60651), (6739, 57663), (8901, 43657), (10281, 37797), (12599, 30843), (19221, 20217)]