2080781379

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{435401}}^1$

素因数の和:435472

約数の個数: 20

約数和(自身を含む): 3161018520

約数和(自身を除く): 1080237141

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4779, 435401, 1306203, 3918609, 11755827, 25688659, 35267481, 77065977, 231197931, 693593793, 2080781379]

約数ペア:

[(1, 2080781379), (3, 693593793), (9, 231197931), (27, 77065977), (59, 35267481), (81, 25688659), (177, 11755827), (531, 3918609), (1593, 1306203), (4779, 435401)]