205728453

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{29959}}^1$

素因数の和:30081

約数の個数: 24

約数和(自身を含む): 342742400

約数和(自身を除く): 137013947

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 6867, 29959, 89877, 209713, 269631, 629139, 1887417, 3265531, 9796593, 22858717, 29389779, 68576151, 205728453]

約数ペア:

[(1, 205728453), (3, 68576151), (7, 29389779), (9, 22858717), (21, 9796593), (63, 3265531), (109, 1887417), (327, 629139), (763, 269631), (981, 209713), (2289, 89877), (6867, 29959)]