81711905

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{1031}}^1$

素因数の和:1189

約数の個数: 24

約数和(自身を含む): 108706752

約数和(自身を除く): 26994847

約数列:

[1, 5, 11, 55, 121, 131, 605, 655, 1031, 1441, 5155, 7205, 11341, 15851, 56705, 79255, 124751, 135061, 623755, 675305, 1485671, 7428355, 16342381, 81711905]

約数ペア:

[(1, 81711905), (5, 16342381), (11, 7428355), (55, 1485671), (121, 675305), (131, 623755), (605, 135061), (655, 124751), (1031, 79255), (1441, 56705), (5155, 15851), (7205, 11341)]