25590513

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{607}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 39223296

約数和(自身を除く): 13632783

約数列:

[1, 3, 13, 23, 39, 47, 69, 141, 299, 607, 611, 897, 1081, 1821, 1833, 3243, 7891, 13961, 14053, 23673, 28529, 41883, 42159, 85587, 181493, 370877, 544479, 656167, 1112631, 1968501, 8530171, 25590513]

約数ペア:

[(1, 25590513), (3, 8530171), (13, 1968501), (23, 1112631), (39, 656167), (47, 544479), (69, 370877), (141, 181493), (299, 85587), (607, 42159), (611, 41883), (897, 28529), (1081, 23673), (1821, 14053), (1833, 13961), (3243, 7891)]