81686115

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{259321}}^1$

素因数の和:259339

約数の個数: 24

約数和(自身を含む): 161816928

約数和(自身を除く): 80130813

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 259321, 777963, 1296605, 1815247, 2333889, 3889815, 5445741, 9076235, 11669445, 16337223, 27228705, 81686115]

約数ペア:

[(1, 81686115), (3, 27228705), (5, 16337223), (7, 11669445), (9, 9076235), (15, 5445741), (21, 3889815), (35, 2333889), (45, 1815247), (63, 1296605), (105, 777963), (315, 259321)]