204865661

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1987}}^1$

素因数の和:2121

約数の個数: 32

約数和(自身を含む): 277874688

約数和(自身を除く): 73009027

約数列:

[1, 7, 11, 13, 77, 91, 103, 143, 721, 1001, 1133, 1339, 1987, 7931, 9373, 13909, 14729, 21857, 25831, 103103, 152999, 180817, 204661, 284141, 1432627, 1988987, 2251271, 2660593, 15758897, 18624151, 29266523, 204865661]

約数ペア:

[(1, 204865661), (7, 29266523), (11, 18624151), (13, 15758897), (77, 2660593), (91, 2251271), (103, 1988987), (143, 1432627), (721, 284141), (1001, 204661), (1133, 180817), (1339, 152999), (1987, 103103), (7931, 25831), (9373, 21857), (13909, 14729)]