30253993

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1553}}^1$

素因数の和:1605

約数の個数: 24

約数和(自身を含む): 39682944

約数和(自身を除く): 9428951

約数列:

[1, 7, 11, 23, 77, 121, 161, 253, 847, 1553, 1771, 2783, 10871, 17083, 19481, 35719, 119581, 187913, 250033, 392909, 1315391, 2750363, 4321999, 30253993]

約数ペア:

[(1, 30253993), (7, 4321999), (11, 2750363), (23, 1315391), (77, 392909), (121, 250033), (161, 187913), (253, 119581), (847, 35719), (1553, 19481), (1771, 17083), (2783, 10871)]