15135903

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{2789}}^1$

素因数の和:2868

約数の個数: 20

約数和(自身を含む): 22956120

約数和(自身を除く): 7820217

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 2789, 5427, 8367, 25101, 75303, 186863, 225909, 560589, 1681767, 5045301, 15135903]

約数ペア:

[(1, 15135903), (3, 5045301), (9, 1681767), (27, 560589), (67, 225909), (81, 186863), (201, 75303), (603, 25101), (1809, 8367), (2789, 5427)]