81332874

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{645499}}^1$

素因数の和:645514

約数の個数: 24

約数和(自身を含む): 201396000

約数和(自身を除く): 120063126

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 645499, 1290998, 1936497, 3872994, 4518493, 5809491, 9036986, 11618982, 13555479, 27110958, 40666437, 81332874]

約数ペア:

[(1, 81332874), (2, 40666437), (3, 27110958), (6, 13555479), (7, 11618982), (9, 9036986), (14, 5809491), (18, 4518493), (21, 3872994), (42, 1936497), (63, 1290998), (126, 645499)]