389623689

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{52859}}^1$

素因数の和:52891

約数の個数: 40

約数和(自身を含む): 716358720

約数和(自身を除く): 326735031

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 7371, 52859, 158577, 370013, 475731, 687167, 1110039, 1427193, 2061501, 3330117, 4281579, 4810169, 6184503, 9990351, 14430507, 18553509, 29971053, 43291521, 55660527, 129874563, 389623689]

約数ペア:

[(1, 389623689), (3, 129874563), (7, 55660527), (9, 43291521), (13, 29971053), (21, 18553509), (27, 14430507), (39, 9990351), (63, 6184503), (81, 4810169), (91, 4281579), (117, 3330117), (189, 2061501), (273, 1427193), (351, 1110039), (567, 687167), (819, 475731), (1053, 370013), (2457, 158577), (7371, 52859)]