28267869

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{18959}}^1$

素因数の和:19040

約数の個数: 16

約数和(自身を含む): 43683840

約数和(自身を除く): 15415971

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 18959, 56877, 132713, 398139, 1346089, 4038267, 9422623, 28267869]

約数ペア:

[(1, 28267869), (3, 9422623), (7, 4038267), (21, 1346089), (71, 398139), (213, 132713), (497, 56877), (1491, 18959)]