16985397

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{137}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 28469952

約数和(自身を除く): 11484555

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 137, 143, 187, 221, 289, 411, 429, 561, 663, 867, 1507, 1781, 2329, 2431, 3179, 3757, 4521, 5343, 6987, 7293, 9537, 11271, 19591, 25619, 30277, 39593, 41327, 58773, 76857, 90831, 118779, 123981, 333047, 435523, 514709, 999141, 1306569, 1544127, 5661799, 16985397]

約数ペア:

[(1, 16985397), (3, 5661799), (11, 1544127), (13, 1306569), (17, 999141), (33, 514709), (39, 435523), (51, 333047), (137, 123981), (143, 118779), (187, 90831), (221, 76857), (289, 58773), (411, 41327), (429, 39593), (561, 30277), (663, 25619), (867, 19591), (1507, 11271), (1781, 9537), (2329, 7293), (2431, 6987), (3179, 5343), (3757, 4521)]