81209478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1103}}^1\times {\mathrm{1753}}^1$

素因数の和:2868

約数の個数: 32

約数和(自身を含む): 185895936

約数和(自身を除く): 104686458

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1103, 1753, 2206, 3309, 3506, 5259, 6618, 7721, 10518, 12271, 15442, 23163, 24542, 36813, 46326, 73626, 1933559, 3867118, 5800677, 11601354, 13534913, 27069826, 40604739, 81209478]

約数ペア:

[(1, 81209478), (2, 40604739), (3, 27069826), (6, 13534913), (7, 11601354), (14, 5800677), (21, 3867118), (42, 1933559), (1103, 73626), (1753, 46326), (2206, 36813), (3309, 24542), (3506, 23163), (5259, 15442), (6618, 12271), (7721, 10518)]