16691337

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{431}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 26103168

約数和(自身を除く): 9411831

約数列:

[1, 3, 9, 13, 39, 117, 331, 431, 993, 1293, 2979, 3879, 4303, 5603, 12909, 16809, 38727, 50427, 142661, 427983, 1283949, 1854593, 5563779, 16691337]

約数ペア:

[(1, 16691337), (3, 5563779), (9, 1854593), (13, 1283949), (39, 427983), (117, 142661), (331, 50427), (431, 38727), (993, 16809), (1293, 12909), (2979, 5603), (3879, 4303)]