28804809

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37951}}^1$

素因数の和:37988

約数の個数: 16

約数和(自身を含む): 43720704

約数和(自身を除く): 14915895

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 37951, 113853, 417461, 872873, 1252383, 2618619, 9601603, 28804809]

約数ペア:

[(1, 28804809), (3, 9601603), (11, 2618619), (23, 1252383), (33, 872873), (69, 417461), (253, 113853), (759, 37951)]