25261587

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3041}}^1$

素因数の和:3131

約数の個数: 24

約数和(自身を含む): 39862368

約数和(自身を除く): 14600781

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2769, 3041, 8307, 9123, 27369, 39533, 118599, 215911, 355797, 647733, 1943199, 2806843, 8420529, 25261587]

約数ペア:

[(1, 25261587), (3, 8420529), (9, 2806843), (13, 1943199), (39, 647733), (71, 355797), (117, 215911), (213, 118599), (639, 39533), (923, 27369), (2769, 9123), (3041, 8307)]