209335105

素因数分解:

$5^1\times 7^2\times {\mathrm{857}}^1\times {\mathrm{997}}^1$

素因数の和:1873

約数の個数: 24

約数和(自身を含む): 292849128

約数和(自身を除く): 83514023

約数列:

[1, 5, 7, 35, 49, 245, 857, 997, 4285, 4985, 5999, 6979, 29995, 34895, 41993, 48853, 209965, 244265, 854429, 4272145, 5981003, 29905015, 41867021, 209335105]

約数ペア:

[(1, 209335105), (5, 41867021), (7, 29905015), (35, 5981003), (49, 4272145), (245, 854429), (857, 244265), (997, 209965), (4285, 48853), (4985, 41993), (5999, 34895), (6979, 29995)]