28742709

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{8863}}^1$

素因数の和:8936

約数の個数: 16

約数和(自身を含む): 40845312

約数和(自身を除く): 12102603

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 8863, 26589, 203849, 416561, 611547, 1249683, 9580903, 28742709]

約数ペア:

[(1, 28742709), (3, 9580903), (23, 1249683), (47, 611547), (69, 416561), (141, 203849), (1081, 26589), (3243, 8863)]