25290027

素因数分解:

$3^2\times 7^2\times {\mathrm{57347}}^1$

素因数の和:57367

約数の個数: 18

約数和(自身を含む): 42494868

約数和(自身を除く): 17204841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 57347, 172041, 401429, 516123, 1204287, 2810003, 3612861, 8430009, 25290027]

約数ペア:

[(1, 25290027), (3, 8430009), (7, 3612861), (9, 2810003), (21, 1204287), (49, 516123), (63, 401429), (147, 172041), (441, 57347)]