204530907

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{137177}}^1$

素因数の和:137258

約数の個数: 16

約数和(自身を含む): 316058112

約数和(自身を除く): 111527205

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 137177, 411531, 960239, 2880717, 9739567, 29218701, 68176969, 204530907]

約数ペア:

[(1, 204530907), (3, 68176969), (7, 29218701), (21, 9739567), (71, 2880717), (213, 960239), (497, 411531), (1491, 137177)]