521007585

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4111}}^1$

素因数の和:4214

約数の個数: 64

約数和(自身を含む): 1023197184

約数和(自身を除く): 502189599

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 71, 85, 105, 119, 213, 255, 355, 357, 497, 595, 1065, 1207, 1491, 1785, 2485, 3621, 4111, 6035, 7455, 8449, 12333, 18105, 20555, 25347, 28777, 42245, 61665, 69887, 86331, 126735, 143885, 209661, 291881, 349435, 431655, 489209, 875643, 1048305, 1459405, 1467627, 2043167, 2446045, 4378215, 4961977, 6129501, 7338135, 10215835, 14885931, 24809885, 30647505, 34733839, 74429655, 104201517, 173669195, 521007585]

約数ペア:

[(1, 521007585), (3, 173669195), (5, 104201517), (7, 74429655), (15, 34733839), (17, 30647505), (21, 24809885), (35, 14885931), (51, 10215835), (71, 7338135), (85, 6129501), (105, 4961977), (119, 4378215), (213, 2446045), (255, 2043167), (355, 1467627), (357, 1459405), (497, 1048305), (595, 875643), (1065, 489209), (1207, 431655), (1491, 349435), (1785, 291881), (2485, 209661), (3621, 143885), (4111, 126735), (6035, 86331), (7455, 69887), (8449, 61665), (12333, 42245), (18105, 28777), (20555, 25347)]