28145019

素因数分解:

$3^1\times 7^1\times {\mathrm{863}}^1\times {\mathrm{1553}}^1$

素因数の和:2426

約数の個数: 16

約数和(自身を含む): 42964992

約数和(自身を除く): 14819973

約数列:

[1, 3, 7, 21, 863, 1553, 2589, 4659, 6041, 10871, 18123, 32613, 1340239, 4020717, 9381673, 28145019]

約数ペア:

[(1, 28145019), (3, 9381673), (7, 4020717), (21, 1340239), (863, 32613), (1553, 18123), (2589, 10871), (4659, 6041)]