282628521

素因数分解:

$3^4\times 7^2\times {\mathrm{71209}}^1$

素因数の和:71235

約数の個数: 30

約数和(自身を含む): 491135370

約数和(自身を除く): 208506849

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 71209, 213627, 498463, 640881, 1495389, 1922643, 3489241, 4486167, 5767929, 10467723, 13458501, 31403169, 40375503, 94209507, 282628521]

約数ペア:

[(1, 282628521), (3, 94209507), (7, 40375503), (9, 31403169), (21, 13458501), (27, 10467723), (49, 5767929), (63, 4486167), (81, 3489241), (147, 1922643), (189, 1495389), (441, 640881), (567, 498463), (1323, 213627), (3969, 71209)]