28131357

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{809}}^1$

素因数の和:1052

約数の個数: 16

約数和(自身を含む): 38335680

約数和(自身を除く): 10204323

約数列:

[1, 3, 67, 173, 201, 519, 809, 2427, 11591, 34773, 54203, 139957, 162609, 419871, 9377119, 28131357]

約数ペア:

[(1, 28131357), (3, 9377119), (67, 419871), (173, 162609), (201, 139957), (519, 54203), (809, 34773), (2427, 11591)]