16238907

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:320

約数の個数: 32

約数和(自身を含む): 25090560

約数和(自身を除く): 8851653

約数列:

[1, 3, 9, 27, 43, 71, 129, 197, 213, 387, 591, 639, 1161, 1773, 1917, 3053, 5319, 8471, 9159, 13987, 25413, 27477, 41961, 76239, 82431, 125883, 228717, 377649, 601441, 1804323, 5412969, 16238907]

約数ペア:

[(1, 16238907), (3, 5412969), (9, 1804323), (27, 601441), (43, 377649), (71, 228717), (129, 125883), (197, 82431), (213, 76239), (387, 41961), (591, 27477), (639, 25413), (1161, 13987), (1773, 9159), (1917, 8471), (3053, 5319)]