57129381

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{4327}}^1$

素因数の和:4502

約数の個数: 20

約数和(自身を含む): 85884832

約数和(自身を除く): 28755451

約数列:

[1, 3, 9, 27, 81, 163, 489, 1467, 4327, 4401, 12981, 13203, 38943, 116829, 350487, 705301, 2115903, 6347709, 19043127, 57129381]

約数ペア:

[(1, 57129381), (3, 19043127), (9, 6347709), (27, 2115903), (81, 705301), (163, 350487), (489, 116829), (1467, 38943), (4327, 13203), (4401, 12981)]