85835805

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 161243136

約数和(自身を除く): 75407331

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 71, 85, 165, 187, 213, 255, 355, 431, 561, 781, 935, 1065, 1207, 1293, 2155, 2343, 2805, 3621, 3905, 4741, 6035, 6465, 7327, 11715, 13277, 14223, 18105, 21981, 23705, 30601, 36635, 39831, 66385, 71115, 80597, 91803, 109905, 153005, 199155, 241791, 336611, 402985, 459015, 520217, 1009833, 1208955, 1560651, 1683055, 2601085, 5049165, 5722387, 7803255, 17167161, 28611935, 85835805]

約数ペア:

[(1, 85835805), (3, 28611935), (5, 17167161), (11, 7803255), (15, 5722387), (17, 5049165), (33, 2601085), (51, 1683055), (55, 1560651), (71, 1208955), (85, 1009833), (165, 520217), (187, 459015), (213, 402985), (255, 336611), (355, 241791), (431, 199155), (561, 153005), (781, 109905), (935, 91803), (1065, 80597), (1207, 71115), (1293, 66385), (2155, 39831), (2343, 36635), (2805, 30601), (3621, 23705), (3905, 21981), (4741, 18105), (6035, 14223), (6465, 13277), (7327, 11715)]