77638617

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1753}}^1$

素因数の和:1822

約数の個数: 48

約数和(自身を含む): 138636160

約数和(自身を除く): 60997543

約数列:

[1, 3, 7, 9, 19, 21, 37, 57, 63, 111, 133, 171, 259, 333, 399, 703, 777, 1197, 1753, 2109, 2331, 4921, 5259, 6327, 12271, 14763, 15777, 33307, 36813, 44289, 64861, 99921, 110439, 194583, 233149, 299763, 454027, 583749, 699447, 1232359, 1362081, 2098341, 3697077, 4086243, 8626513, 11091231, 25879539, 77638617]

約数ペア:

[(1, 77638617), (3, 25879539), (7, 11091231), (9, 8626513), (19, 4086243), (21, 3697077), (37, 2098341), (57, 1362081), (63, 1232359), (111, 699447), (133, 583749), (171, 454027), (259, 299763), (333, 233149), (399, 194583), (703, 110439), (777, 99921), (1197, 64861), (1753, 44289), (2109, 36813), (2331, 33307), (4921, 15777), (5259, 14763), (6327, 12271)]