205909389

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{192259}}^1$

素因数の和:192289

約数の個数: 24

約数和(自身を含む): 359910720

約数和(自身を除く): 154001331

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 192259, 576777, 1345813, 1730331, 3268403, 4037439, 9805209, 12112317, 22878821, 29415627, 68636463, 205909389]

約数ペア:

[(1, 205909389), (3, 68636463), (7, 29415627), (9, 22878821), (17, 12112317), (21, 9805209), (51, 4037439), (63, 3268403), (119, 1730331), (153, 1345813), (357, 576777), (1071, 192259)]