18017409

素因数分解:

$3^1\times {\mathrm{37}}^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 25528608

約数和(自身を除く): 7511199

約数列:

[1, 3, 37, 41, 107, 111, 123, 321, 1369, 1517, 3959, 4107, 4387, 4551, 11877, 13161, 56129, 146483, 162319, 168387, 439449, 486957, 6005803, 18017409]

約数ペア:

[(1, 18017409), (3, 6005803), (37, 486957), (41, 439449), (107, 168387), (111, 162319), (123, 146483), (321, 56129), (1369, 13161), (1517, 11877), (3959, 4551), (4107, 4387)]