208804743

素因数分解:

$3^3\times 7^1\times {\mathrm{1104787}}^1$

素因数の和:1104803

約数の個数: 16

約数和(自身を含む): 353532160

約数和(自身を除く): 144727417

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1104787, 3314361, 7733509, 9943083, 23200527, 29829249, 69601581, 208804743]

約数ペア:

[(1, 208804743), (3, 69601581), (7, 29829249), (9, 23200527), (21, 9943083), (27, 7733509), (63, 3314361), (189, 1104787)]