205657489971

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{401}}^1\times {\mathrm{321947}}^1$

素因数の和:322416

約数の個数: 32

約数和(自身を含む): 310615430400

約数和(自身を除く): 104957940429

約数列:

[1, 3, 9, 27, 59, 177, 401, 531, 1203, 1593, 3609, 10827, 23659, 70977, 212931, 321947, 638793, 965841, 2897523, 8692569, 18994873, 56984619, 129100747, 170953857, 387302241, 512861571, 1161906723, 3485720169, 7616944073, 22850832219, 68552496657, 205657489971]

約数ペア:

[(1, 205657489971), (3, 68552496657), (9, 22850832219), (27, 7616944073), (59, 3485720169), (177, 1161906723), (401, 512861571), (531, 387302241), (1203, 170953857), (1593, 129100747), (3609, 56984619), (10827, 18994873), (23659, 8692569), (70977, 2897523), (212931, 965841), (321947, 638793)]