28872669

素因数分解:

$3^1\times 7^1\times {\mathrm{787}}^1\times {\mathrm{1747}}^1$

素因数の和:2544

約数の個数: 16

約数和(自身を含む): 44077568

約数和(自身を除く): 15204899

約数列:

[1, 3, 7, 21, 787, 1747, 2361, 5241, 5509, 12229, 16527, 36687, 1374889, 4124667, 9624223, 28872669]

約数ペア:

[(1, 28872669), (3, 9624223), (7, 4124667), (21, 1374889), (787, 36687), (1747, 16527), (2361, 12229), (5241, 5509)]