16923489

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 25878528

約数和(自身を除く): 8955039

約数列:

[1, 3, 11, 31, 33, 71, 93, 213, 233, 341, 699, 781, 1023, 2201, 2343, 2563, 6603, 7223, 7689, 16543, 21669, 24211, 49629, 72633, 79453, 181973, 238359, 512833, 545919, 1538499, 5641163, 16923489]

約数ペア:

[(1, 16923489), (3, 5641163), (11, 1538499), (31, 545919), (33, 512833), (71, 238359), (93, 181973), (213, 79453), (233, 72633), (341, 49629), (699, 24211), (781, 21669), (1023, 16543), (2201, 7689), (2343, 7223), (2563, 6603)]