12972978

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{10151}}^1$

素因数の和:10230

約数の個数: 24

約数和(自身を含む): 28506816

約数和(自身を除く): 15533838

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 10151, 20302, 30453, 60906, 91359, 182718, 720721, 1441442, 2162163, 4324326, 6486489, 12972978]

約数ペア:

[(1, 12972978), (2, 6486489), (3, 4324326), (6, 2162163), (9, 1441442), (18, 720721), (71, 182718), (142, 91359), (213, 60906), (426, 30453), (639, 20302), (1278, 10151)]