16538985

素因数分解:

$3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:535

約数の個数: 40

約数和(自身を含む): 30024456

約数和(自身を除く): 13485471

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 97, 135, 291, 405, 421, 485, 873, 1263, 1455, 2105, 2619, 3789, 4365, 6315, 7857, 11367, 13095, 18945, 34101, 39285, 40837, 56835, 122511, 170505, 204185, 367533, 612555, 1102599, 1837665, 3307797, 5512995, 16538985]

約数ペア:

[(1, 16538985), (3, 5512995), (5, 3307797), (9, 1837665), (15, 1102599), (27, 612555), (45, 367533), (81, 204185), (97, 170505), (135, 122511), (291, 56835), (405, 40837), (421, 39285), (485, 34101), (873, 18945), (1263, 13095), (1455, 11367), (2105, 7857), (2619, 6315), (3789, 4365)]