7664391

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{337}}^1$

素因数の和:388

約数の個数: 36

約数和(自身を含む): 13392912

約数和(自身を除く): 5728521

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 337, 361, 399, 1011, 1083, 1197, 2359, 2527, 3033, 3249, 6403, 7077, 7581, 19209, 21231, 22743, 44821, 57627, 121657, 134463, 364971, 403389, 851599, 1094913, 2554797, 7664391]

約数ペア:

[(1, 7664391), (3, 2554797), (7, 1094913), (9, 851599), (19, 403389), (21, 364971), (57, 134463), (63, 121657), (133, 57627), (171, 44821), (337, 22743), (361, 21231), (399, 19209), (1011, 7581), (1083, 7077), (1197, 6403), (2359, 3249), (2527, 3033)]