28278345

素因数分解:

$3^1\times 5^1\times {\mathrm{1163}}^1\times {\mathrm{1621}}^1$

素因数の和:2792

約数の個数: 16

約数和(自身を含む): 45312192

約数和(自身を除く): 17033847

約数列:

[1, 3, 5, 15, 1163, 1621, 3489, 4863, 5815, 8105, 17445, 24315, 1885223, 5655669, 9426115, 28278345]

約数ペア:

[(1, 28278345), (3, 9426115), (5, 5655669), (15, 1885223), (1163, 24315), (1621, 17445), (3489, 8105), (4863, 5815)]