28104909

素因数分解:

$3^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{1811}}^1$

素因数の和:2560

約数の個数: 16

約数和(自身を含む): 42908160

約数和(自身を除く): 14803251

約数列:

[1, 3, 7, 21, 739, 1811, 2217, 5173, 5433, 12677, 15519, 38031, 1338329, 4014987, 9368303, 28104909]

約数ペア:

[(1, 28104909), (3, 9368303), (7, 4014987), (21, 1338329), (739, 38031), (1811, 15519), (2217, 12677), (5173, 5433)]