1557100827

素因数分解:

$3^4\times {\mathrm{181}}^1\times {\mathrm{106207}}^1$

素因数の和:106400

約数の個数: 20

約数和(自身を含む): 2338912576

約数和(自身を除く): 781811749

約数列:

[1, 3, 9, 27, 81, 181, 543, 1629, 4887, 14661, 106207, 318621, 955863, 2867589, 8602767, 19223467, 57670401, 173011203, 519033609, 1557100827]

約数ペア:

[(1, 1557100827), (3, 519033609), (9, 173011203), (27, 57670401), (81, 19223467), (181, 8602767), (543, 2867589), (1629, 955863), (4887, 318621), (14661, 106207)]