208331379

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{3313}}^1$

素因数の和:3476

約数の個数: 32

約数和(自身を含む): 329279040

約数和(自身を除く): 120947661

約数列:

[1, 3, 9, 17, 27, 51, 137, 153, 411, 459, 1233, 2329, 3313, 3699, 6987, 9939, 20961, 29817, 56321, 62883, 89451, 168963, 453881, 506889, 1361643, 1520667, 4084929, 7715977, 12254787, 23147931, 69443793, 208331379]

約数ペア:

[(1, 208331379), (3, 69443793), (9, 23147931), (17, 12254787), (27, 7715977), (51, 4084929), (137, 1520667), (153, 1361643), (411, 506889), (459, 453881), (1233, 168963), (2329, 89451), (3313, 62883), (3699, 56321), (6987, 29817), (9939, 20961)]