71541891

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{6521}}^1$

素因数の和:6603

約数の個数: 24

約数和(自身を含む): 109882656

約数和(自身を除く): 38340765

約数列:

[1, 3, 9, 23, 53, 69, 159, 207, 477, 1219, 3657, 6521, 10971, 19563, 58689, 149983, 345613, 449949, 1036839, 1349847, 3110517, 7949099, 23847297, 71541891]

約数ペア:

[(1, 71541891), (3, 23847297), (9, 7949099), (23, 3110517), (53, 1349847), (69, 1036839), (159, 449949), (207, 345613), (477, 149983), (1219, 58689), (3657, 19563), (6521, 10971)]