28238289

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{3797}}^1$

素因数の和:3904

約数の個数: 16

約数和(自身を含む): 39256128

約数和(自身を除く): 11017839

約数列:

[1, 3, 37, 67, 111, 201, 2479, 3797, 7437, 11391, 140489, 254399, 421467, 763197, 9412763, 28238289]

約数ペア:

[(1, 28238289), (3, 9412763), (37, 763197), (67, 421467), (111, 254399), (201, 140489), (2479, 11391), (3797, 7437)]