82515951

素因数分解:

$3^2\times 7^2\times {\mathrm{187111}}^1$

素因数の和:187131

約数の個数: 18

約数和(自身を含む): 138649992

約数和(自身を除く): 56134041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 187111, 561333, 1309777, 1683999, 3929331, 9168439, 11787993, 27505317, 82515951]

約数ペア:

[(1, 82515951), (3, 27505317), (7, 11787993), (9, 9168439), (21, 3929331), (49, 1683999), (63, 1309777), (147, 561333), (441, 187111)]