17772115

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{631}}^1$

素因数の和:810

約数の個数: 16

約数和(自身を含む): 22023936

約数和(自身を除く): 4251821

約数列:

[1, 5, 43, 131, 215, 631, 655, 3155, 5633, 27133, 28165, 82661, 135665, 413305, 3554423, 17772115]

約数ペア:

[(1, 17772115), (5, 3554423), (43, 413305), (131, 135665), (215, 82661), (631, 28165), (655, 27133), (3155, 5633)]