217676415

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1093}}^1$

素因数の和:1200

約数の個数: 64

約数和(自身を含む): 408333312

約数和(自身を除く): 190656897

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 71, 85, 165, 187, 213, 255, 355, 561, 781, 935, 1065, 1093, 1207, 2343, 2805, 3279, 3621, 3905, 5465, 6035, 11715, 12023, 13277, 16395, 18105, 18581, 36069, 39831, 55743, 60115, 66385, 77603, 92905, 180345, 199155, 204391, 232809, 278715, 388015, 613173, 853633, 1021955, 1164045, 1319251, 2560899, 3065865, 3957753, 4268165, 6596255, 12804495, 14511761, 19788765, 43535283, 72558805, 217676415]

約数ペア:

[(1, 217676415), (3, 72558805), (5, 43535283), (11, 19788765), (15, 14511761), (17, 12804495), (33, 6596255), (51, 4268165), (55, 3957753), (71, 3065865), (85, 2560899), (165, 1319251), (187, 1164045), (213, 1021955), (255, 853633), (355, 613173), (561, 388015), (781, 278715), (935, 232809), (1065, 204391), (1093, 199155), (1207, 180345), (2343, 92905), (2805, 77603), (3279, 66385), (3621, 60115), (3905, 55743), (5465, 39831), (6035, 36069), (11715, 18581), (12023, 18105), (13277, 16395)]