16980447

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{13907}}^1$

素因数の和:13958

約数の個数: 16

約数和(自身を含む): 25368192

約数和(自身を除く): 8387745

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 13907, 41721, 152977, 458931, 514559, 1543677, 5660149, 16980447]

約数ペア:

[(1, 16980447), (3, 5660149), (11, 1543677), (33, 514559), (37, 458931), (111, 152977), (407, 41721), (1221, 13907)]