12840555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 26449920

約数和(自身を除く): 13609365

約数列:

[1, 3, 5, 7, 13, 15, 21, 23, 35, 39, 65, 69, 91, 105, 115, 161, 195, 273, 299, 345, 409, 455, 483, 805, 897, 1227, 1365, 1495, 2045, 2093, 2415, 2863, 4485, 5317, 6135, 6279, 8589, 9407, 10465, 14315, 15951, 26585, 28221, 31395, 37219, 42945, 47035, 65849, 79755, 111657, 122291, 141105, 186095, 197547, 329245, 366873, 558285, 611455, 856037, 987735, 1834365, 2568111, 4280185, 12840555]

約数ペア:

[(1, 12840555), (3, 4280185), (5, 2568111), (7, 1834365), (13, 987735), (15, 856037), (21, 611455), (23, 558285), (35, 366873), (39, 329245), (65, 197547), (69, 186095), (91, 141105), (105, 122291), (115, 111657), (161, 79755), (195, 65849), (273, 47035), (299, 42945), (345, 37219), (409, 31395), (455, 28221), (483, 26585), (805, 15951), (897, 14315), (1227, 10465), (1365, 9407), (1495, 8589), (2045, 6279), (2093, 6135), (2415, 5317), (2863, 4485)]