40818681

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 62208000

約数和(自身を除く): 21389319

約数列:

[1, 3, 9, 27, 71, 107, 199, 213, 321, 597, 639, 963, 1791, 1917, 2889, 5373, 7597, 14129, 21293, 22791, 42387, 63879, 68373, 127161, 191637, 205119, 381483, 574911, 1511803, 4535409, 13606227, 40818681]

約数ペア:

[(1, 40818681), (3, 13606227), (9, 4535409), (27, 1511803), (71, 574911), (107, 381483), (199, 205119), (213, 191637), (321, 127161), (597, 68373), (639, 63879), (963, 42387), (1791, 22791), (1917, 21293), (2889, 14129), (5373, 7597)]