25397745

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{727}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 43400448

約数和(自身を除く): 18002703

約数列:

[1, 3, 5, 15, 17, 51, 85, 137, 255, 411, 685, 727, 2055, 2181, 2329, 3635, 6987, 10905, 11645, 12359, 34935, 37077, 61795, 99599, 185385, 298797, 497995, 1493985, 1693183, 5079549, 8465915, 25397745]

約数ペア:

[(1, 25397745), (3, 8465915), (5, 5079549), (15, 1693183), (17, 1493985), (51, 497995), (85, 298797), (137, 185385), (255, 99599), (411, 61795), (685, 37077), (727, 34935), (2055, 12359), (2181, 11645), (2329, 10905), (3635, 6987)]