28666281

素因数分解:

$3^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{2803}}^1$

素因数の和:3300

約数の個数: 16

約数和(自身を含む): 43787264

約数和(自身を除く): 15120983

約数列:

[1, 3, 7, 21, 487, 1461, 2803, 3409, 8409, 10227, 19621, 58863, 1365061, 4095183, 9555427, 28666281]

約数ペア:

[(1, 28666281), (3, 9555427), (7, 4095183), (21, 1365061), (487, 58863), (1461, 19621), (2803, 10227), (3409, 8409)]