81067311

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{461}}^1$

素因数の和:653

約数の個数: 40

約数和(自身を含む): 131481504

約数和(自身を除く): 50414193

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 167, 351, 461, 501, 1053, 1383, 1503, 2171, 4149, 4509, 5993, 6513, 12447, 13527, 17979, 19539, 37341, 53937, 58617, 76987, 161811, 175851, 230961, 485433, 692883, 1000831, 2078649, 3002493, 6235947, 9007479, 27022437, 81067311]

約数ペア:

[(1, 81067311), (3, 27022437), (9, 9007479), (13, 6235947), (27, 3002493), (39, 2078649), (81, 1000831), (117, 692883), (167, 485433), (351, 230961), (461, 175851), (501, 161811), (1053, 76987), (1383, 58617), (1503, 53937), (2171, 37341), (4149, 19539), (4509, 17979), (5993, 13527), (6513, 12447)]