39990423

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{1873}}^1$

素因数の和:2534

約数の個数: 16

約数和(自身を含む): 58288896

約数和(自身を除く): 18298473

約数列:

[1, 3, 11, 33, 647, 1873, 1941, 5619, 7117, 20603, 21351, 61809, 1211831, 3635493, 13330141, 39990423]

約数ペア:

[(1, 39990423), (3, 13330141), (11, 3635493), (33, 1211831), (647, 61809), (1873, 21351), (1941, 20603), (5619, 7117)]