205162503

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17477}}^1$

素因数の和:17543

約数の個数: 32

約数和(自身を含む): 344526336

約数和(自身を除く): 139363833

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1677, 3913, 11739, 17477, 52431, 122339, 227201, 367017, 681603, 751511, 1590407, 2254533, 4771221, 5260577, 9769643, 15781731, 29308929, 68387501, 205162503]

約数ペア:

[(1, 205162503), (3, 68387501), (7, 29308929), (13, 15781731), (21, 9769643), (39, 5260577), (43, 4771221), (91, 2254533), (129, 1590407), (273, 751511), (301, 681603), (559, 367017), (903, 227201), (1677, 122339), (3913, 52431), (11739, 17477)]