71590311

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{67987}}^1$

素因数の和:68012

約数の個数: 20

約数和(自身を含む): 115171672

約数和(自身を除く): 43581361

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 67987, 203961, 611883, 883831, 1835649, 2651493, 5506947, 7954479, 23863437, 71590311]

約数ペア:

[(1, 71590311), (3, 23863437), (9, 7954479), (13, 5506947), (27, 2651493), (39, 1835649), (81, 883831), (117, 611883), (351, 203961), (1053, 67987)]