209043219

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{10903}}^1$

素因数の和:11007

約数の個数: 32

約数和(自身を含む): 351719424

約数和(自身を除く): 142676205

約数列:

[1, 3, 7, 11, 21, 33, 77, 83, 231, 249, 581, 913, 1743, 2739, 6391, 10903, 19173, 32709, 76321, 119933, 228963, 359799, 839531, 904949, 2518593, 2714847, 6334643, 9954439, 19003929, 29863317, 69681073, 209043219]

約数ペア:

[(1, 209043219), (3, 69681073), (7, 29863317), (11, 19003929), (21, 9954439), (33, 6334643), (77, 2714847), (83, 2518593), (231, 904949), (249, 839531), (581, 359799), (913, 228963), (1743, 119933), (2739, 76321), (6391, 32709), (10903, 19173)]