17640931

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1423}}^1$

素因数の和:1471

約数の個数: 24

約数和(自身を含む): 23376384

約数和(自身を除く): 5735453

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 1127, 1423, 1771, 9961, 12397, 15653, 32729, 69727, 109571, 229103, 360019, 766997, 1603721, 2520133, 17640931]

約数ペア:

[(1, 17640931), (7, 2520133), (11, 1603721), (23, 766997), (49, 360019), (77, 229103), (161, 109571), (253, 69727), (539, 32729), (1127, 15653), (1423, 12397), (1771, 9961)]