28986153

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72647}}^1$

素因数の和:72676

約数の個数: 16

約数和(自身を含む): 46494720

約数和(自身を除く): 17508567

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 72647, 217941, 508529, 1380293, 1525587, 4140879, 9662051, 28986153]

約数ペア:

[(1, 28986153), (3, 9662051), (7, 4140879), (19, 1525587), (21, 1380293), (57, 508529), (133, 217941), (399, 72647)]