20159181

素因数分解:

$3^2\times 7^1\times {\mathrm{433}}^1\times {\mathrm{739}}^1$

素因数の和:1185

約数の個数: 24

約数和(自身を含む): 33400640

約数和(自身を除く): 13241459

約数列:

[1, 3, 7, 9, 21, 63, 433, 739, 1299, 2217, 3031, 3897, 5173, 6651, 9093, 15519, 27279, 46557, 319987, 959961, 2239909, 2879883, 6719727, 20159181]

約数ペア:

[(1, 20159181), (3, 6719727), (7, 2879883), (9, 2239909), (21, 959961), (63, 319987), (433, 46557), (739, 27279), (1299, 15519), (2217, 9093), (3031, 6651), (3897, 5173)]