27721463

素因数分解:

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

素因数の和:1475

約数の個数: 24

約数和(自身を含む): 36363264

約数和(自身を除く): 8641801

約数列:

[1, 7, 11, 23, 77, 121, 161, 253, 847, 1423, 1771, 2783, 9961, 15653, 19481, 32729, 109571, 172183, 229103, 360019, 1205281, 2520133, 3960209, 27721463]

約数ペア:

[(1, 27721463), (7, 3960209), (11, 2520133), (23, 1205281), (77, 360019), (121, 229103), (161, 172183), (253, 109571), (847, 32729), (1423, 19481), (1771, 15653), (2783, 9961)]