28889985

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{62129}}^1$

素因数の和:62168

約数の個数: 16

約数和(自身を含む): 47715840

約数和(自身を除く): 18825855

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 62129, 186387, 310645, 931935, 1925999, 5777997, 9629995, 28889985]

約数ペア:

[(1, 28889985), (3, 9629995), (5, 5777997), (15, 1925999), (31, 931935), (93, 310645), (155, 186387), (465, 62129)]