28011081

素因数分解:

$3^1\times 7^1\times {\mathrm{829}}^1\times {\mathrm{1609}}^1$

素因数の和:2448

約数の個数: 16

約数和(自身を含む): 42761600

約数和(自身を除く): 14750519

約数列:

[1, 3, 7, 21, 829, 1609, 2487, 4827, 5803, 11263, 17409, 33789, 1333861, 4001583, 9337027, 28011081]

約数ペア:

[(1, 28011081), (3, 9337027), (7, 4001583), (21, 1333861), (829, 33789), (1609, 17409), (2487, 11263), (4827, 5803)]