28205079

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{15091}}^1$

素因数の和:15190

約数の個数: 16

約数和(自身を含む): 43464960

約数和(自身を除く): 15259881

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 15091, 45273, 105637, 316911, 1343099, 4029297, 9401693, 28205079]

約数ペア:

[(1, 28205079), (3, 9401693), (7, 4029297), (21, 1343099), (89, 316911), (267, 105637), (623, 45273), (1869, 15091)]