78810423

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{2137}}^1$

素因数の和:2806

約数の個数: 16

約数和(自身を含む): 110833920

約数和(自身を除く): 32023497

約数列:

[1, 3, 19, 57, 647, 1941, 2137, 6411, 12293, 36879, 40603, 121809, 1382639, 4147917, 26270141, 78810423]

約数ペア:

[(1, 78810423), (3, 26270141), (19, 4147917), (57, 1382639), (647, 121809), (1941, 40603), (2137, 36879), (6411, 12293)]