81429881

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{1609}}^1$

素因数の和:1868

約数の個数: 16

約数和(自身を含む): 93315600

約数和(自身を除く): 11885719

約数列:

[1, 13, 17, 221, 229, 1609, 2977, 3893, 20917, 27353, 50609, 355589, 368461, 4789993, 6263837, 81429881]

約数ペア:

[(1, 81429881), (13, 6263837), (17, 4789993), (221, 368461), (229, 355589), (1609, 50609), (2977, 27353), (3893, 20917)]