30947949

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3181}}^1$

素因数の和:3257

約数の個数: 24

約数和(自身を含む): 47653632

約数和(自身を除く): 16705683

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 3181, 3243, 9543, 9729, 28629, 73163, 149507, 219489, 448521, 658467, 1345563, 3438661, 10315983, 30947949]

約数ペア:

[(1, 30947949), (3, 10315983), (9, 3438661), (23, 1345563), (47, 658467), (69, 448521), (141, 219489), (207, 149507), (423, 73163), (1081, 28629), (3181, 9729), (3243, 9543)]