27778863

素因数分解:

$3^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{2137}}^1$

素因数の和:2766

約数の個数: 16

約数和(自身を含む): 42417920

約数和(自身を除く): 14639057

約数列:

[1, 3, 7, 21, 619, 1857, 2137, 4333, 6411, 12999, 14959, 44877, 1322803, 3968409, 9259621, 27778863]

約数ペア:

[(1, 27778863), (3, 9259621), (7, 3968409), (21, 1322803), (619, 44877), (1857, 14959), (2137, 12999), (4333, 6411)]