81112212

素因数分解:

$2^2\times 3^3\times {\mathrm{331}}^1\times {\mathrm{2269}}^1$

素因数の和:2613

約数の個数: 48

約数和(自身を含む): 211019200

約数和(自身を除く): 129906988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 331, 662, 993, 1324, 1986, 2269, 2979, 3972, 4538, 5958, 6807, 8937, 9076, 11916, 13614, 17874, 20421, 27228, 35748, 40842, 61263, 81684, 122526, 245052, 751039, 1502078, 2253117, 3004156, 4506234, 6759351, 9012468, 13518702, 20278053, 27037404, 40556106, 81112212]

約数ペア:

[(1, 81112212), (2, 40556106), (3, 27037404), (4, 20278053), (6, 13518702), (9, 9012468), (12, 6759351), (18, 4506234), (27, 3004156), (36, 2253117), (54, 1502078), (108, 751039), (331, 245052), (662, 122526), (993, 81684), (1324, 61263), (1986, 40842), (2269, 35748), (2979, 27228), (3972, 20421), (4538, 17874), (5958, 13614), (6807, 11916), (8937, 9076)]