16486821

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 28252224

約数和(自身を除く): 11765403

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 221, 243, 307, 351, 459, 663, 921, 1053, 1377, 1989, 2763, 3159, 3991, 4131, 5219, 5967, 8289, 11973, 15657, 17901, 24867, 35919, 46971, 53703, 67847, 74601, 107757, 140913, 203541, 323271, 422739, 610623, 969813, 1268217, 1831869, 5495607, 16486821]

約数ペア:

[(1, 16486821), (3, 5495607), (9, 1831869), (13, 1268217), (17, 969813), (27, 610623), (39, 422739), (51, 323271), (81, 203541), (117, 140913), (153, 107757), (221, 74601), (243, 67847), (307, 53703), (351, 46971), (459, 35919), (663, 24867), (921, 17901), (1053, 15657), (1377, 11973), (1989, 8289), (2763, 5967), (3159, 5219), (3991, 4131)]