12857865

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{50423}}^1$

素因数の和:50448

約数の個数: 16

約数和(自身を含む): 21783168

約数和(自身を除く): 8925303

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 50423, 151269, 252115, 756345, 857191, 2571573, 4285955, 12857865]

約数ペア:

[(1, 12857865), (3, 4285955), (5, 2571573), (15, 857191), (17, 756345), (51, 252115), (85, 151269), (255, 50423)]