28981155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{276011}}^1$

素因数の和:276026

約数の個数: 16

約数和(自身を含む): 52994304

約数和(自身を除く): 24013149

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 276011, 828033, 1380055, 1932077, 4140165, 5796231, 9660385, 28981155]

約数ペア:

[(1, 28981155), (3, 9660385), (5, 5796231), (7, 4140165), (15, 1932077), (21, 1380055), (35, 828033), (105, 276011)]