199492755

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{172721}}^1$

素因数の和:172747

約数の個数: 32

約数和(自身を含む): 397951488

約数和(自身を除く): 198458733

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 172721, 518163, 863605, 1209047, 1899931, 2590815, 3627141, 5699793, 6045235, 9499655, 13299517, 18135705, 28498965, 39898551, 66497585, 199492755]

約数ペア:

[(1, 199492755), (3, 66497585), (5, 39898551), (7, 28498965), (11, 18135705), (15, 13299517), (21, 9499655), (33, 6045235), (35, 5699793), (55, 3627141), (77, 2590815), (105, 1899931), (165, 1209047), (231, 863605), (385, 518163), (1155, 172721)]