209510835

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{8779}}^1$

素因数の和:8867

約数の個数: 32

約数和(自身を含む): 352323840

約数和(自身を除く): 142813005

約数列:

[1, 3, 5, 15, 37, 43, 111, 129, 185, 215, 555, 645, 1591, 4773, 7955, 8779, 23865, 26337, 43895, 131685, 324823, 377497, 974469, 1132491, 1624115, 1887485, 4872345, 5662455, 13967389, 41902167, 69836945, 209510835]

約数ペア:

[(1, 209510835), (3, 69836945), (5, 41902167), (15, 13967389), (37, 5662455), (43, 4872345), (111, 1887485), (129, 1624115), (185, 1132491), (215, 974469), (555, 377497), (645, 324823), (1591, 131685), (4773, 43895), (7955, 26337), (8779, 23865)]