51143643

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{8893}}^1$

素因数の和:8976

約数の個数: 20

約数和(自身を含む): 77484528

約数和(自身を除く): 26340885

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 8893, 26679, 80037, 240111, 631403, 720333, 1894209, 5682627, 17047881, 51143643]

約数ペア:

[(1, 51143643), (3, 17047881), (9, 5682627), (27, 1894209), (71, 720333), (81, 631403), (213, 240111), (639, 80037), (1917, 26679), (5751, 8893)]