205544859

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^2$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 319511808

約数和(自身を除く): 113966949

約数列:

[1, 3, 13, 23, 39, 43, 69, 73, 129, 219, 299, 559, 897, 949, 989, 1677, 1679, 2847, 2967, 3139, 5037, 5329, 9417, 12857, 15987, 21827, 38571, 40807, 65481, 69277, 72197, 122421, 122567, 207831, 216591, 229147, 367701, 687441, 938561, 1593371, 2815683, 2978911, 4780113, 5270381, 8936733, 15811143, 68514953, 205544859]

約数ペア:

[(1, 205544859), (3, 68514953), (13, 15811143), (23, 8936733), (39, 5270381), (43, 4780113), (69, 2978911), (73, 2815683), (129, 1593371), (219, 938561), (299, 687441), (559, 367701), (897, 229147), (949, 216591), (989, 207831), (1677, 122567), (1679, 122421), (2847, 72197), (2967, 69277), (3139, 65481), (5037, 40807), (5329, 38571), (9417, 21827), (12857, 15987)]