22190121

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{1801}}^1$

素因数の和:1881

約数の個数: 18

約数和(自身を含む): 32960382

約数和(自身を除く): 10770261

約数列:

[1, 3, 9, 37, 111, 333, 1369, 1801, 4107, 5403, 12321, 16209, 66637, 199911, 599733, 2465569, 7396707, 22190121]

約数ペア:

[(1, 22190121), (3, 7396707), (9, 2465569), (37, 599733), (111, 199911), (333, 66637), (1369, 16209), (1801, 12321), (4107, 5403)]