16506009

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1987}}^1$

素因数の和:2077

約数の個数: 24

約数和(自身を含む): 26050752

約数和(自身を除く): 9544743

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 1987, 2769, 5961, 8307, 17883, 25831, 77493, 141077, 232479, 423231, 1269693, 1834001, 5502003, 16506009]

約数ペア:

[(1, 16506009), (3, 5502003), (9, 1834001), (13, 1269693), (39, 423231), (71, 232479), (117, 141077), (213, 77493), (639, 25831), (923, 17883), (1987, 8307), (2769, 5961)]