68804745

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 112223232

約数和(自身を除く): 43418487

約数列:

[1, 3, 5, 15, 107, 163, 263, 321, 489, 535, 789, 815, 1315, 1605, 2445, 3945, 17441, 28141, 42869, 52323, 84423, 87205, 128607, 140705, 214345, 261615, 422115, 643035, 4586983, 13760949, 22934915, 68804745]

約数ペア:

[(1, 68804745), (3, 22934915), (5, 13760949), (15, 4586983), (107, 643035), (163, 422115), (263, 261615), (321, 214345), (489, 140705), (535, 128607), (789, 87205), (815, 84423), (1315, 52323), (1605, 42869), (2445, 28141), (3945, 17441)]