28704885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173969}}^1$

素因数の和:173988

約数の個数: 16

約数和(自身を含む): 50103360

約数和(自身を除く): 21398475

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 173969, 521907, 869845, 1913659, 2609535, 5740977, 9568295, 28704885]

約数ペア:

[(1, 28704885), (3, 9568295), (5, 5740977), (11, 2609535), (15, 1913659), (33, 869845), (55, 521907), (165, 173969)]