71434623

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{647}}^1$

素因数の和:831

約数の個数: 32

約数和(自身を含む): 108864000

約数和(自身を除く): 37429377

約数列:

[1, 3, 13, 19, 39, 57, 149, 247, 447, 647, 741, 1937, 1941, 2831, 5811, 8411, 8493, 12293, 25233, 36803, 36879, 96403, 110409, 159809, 289209, 479427, 1253239, 1831657, 3759717, 5494971, 23811541, 71434623]

約数ペア:

[(1, 71434623), (3, 23811541), (13, 5494971), (19, 3759717), (39, 1831657), (57, 1253239), (149, 479427), (247, 289209), (447, 159809), (647, 110409), (741, 96403), (1937, 36879), (1941, 36803), (2831, 25233), (5811, 12293), (8411, 8493)]