16780527

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{929}}^1$

素因数の和:1164

約数の個数: 20

約数和(自身を含む): 25206720

約数和(自身を除く): 8426193

約数列:

[1, 3, 9, 27, 81, 223, 669, 929, 2007, 2787, 6021, 8361, 18063, 25083, 75249, 207167, 621501, 1864503, 5593509, 16780527]

約数ペア:

[(1, 16780527), (3, 5593509), (9, 1864503), (27, 621501), (81, 207167), (223, 75249), (669, 25083), (929, 18063), (2007, 8361), (2787, 6021)]