16505937

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1$

素因数の和:739

約数の個数: 40

約数和(自身を含む): 28877376

約数和(自身を除く): 12371439

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 301, 387, 567, 677, 903, 1161, 2031, 2709, 3483, 4739, 6093, 8127, 14217, 18279, 24381, 29111, 42651, 54837, 87333, 127953, 203777, 261999, 383859, 611331, 785997, 1833993, 2357991, 5501979, 16505937]

約数ペア:

[(1, 16505937), (3, 5501979), (7, 2357991), (9, 1833993), (21, 785997), (27, 611331), (43, 383859), (63, 261999), (81, 203777), (129, 127953), (189, 87333), (301, 54837), (387, 42651), (567, 29111), (677, 24381), (903, 18279), (1161, 14217), (2031, 8127), (2709, 6093), (3483, 4739)]