390012795

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{201557}}^1$

素因数の和:201611

約数の個数: 24

約数和(自身を含む): 691747056

約数和(自身を除く): 301734261

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 201557, 604671, 1007785, 1814013, 3023355, 8666951, 9070065, 26000853, 43334755, 78002559, 130004265, 390012795]

約数ペア:

[(1, 390012795), (3, 130004265), (5, 78002559), (9, 43334755), (15, 26000853), (43, 9070065), (45, 8666951), (129, 3023355), (215, 1814013), (387, 1007785), (645, 604671), (1935, 201557)]