1887288093

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{347759}}^1$

素因数の和:347838

約数の個数: 20

約数和(自身を含む): 2861369280

約数和(自身を除く): 974081187

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 347759, 1043277, 3129831, 9389493, 23299853, 28168479, 69899559, 209698677, 629096031, 1887288093]

約数ペア:

[(1, 1887288093), (3, 629096031), (9, 209698677), (27, 69899559), (67, 28168479), (81, 23299853), (201, 9389493), (603, 3129831), (1809, 1043277), (5427, 347759)]