28518021

素因数分解:

$3^3\times 7^1\times {\mathrm{150889}}^1$

素因数の和:150905

約数の個数: 16

約数和(自身を含む): 48284800

約数和(自身を除く): 19766779

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 150889, 452667, 1056223, 1358001, 3168669, 4074003, 9506007, 28518021]

約数ペア:

[(1, 28518021), (3, 9506007), (7, 4074003), (9, 3168669), (21, 1358001), (27, 1056223), (63, 452667), (189, 150889)]