209923731

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{63211}}^1$

素因数の和:63264

約数の個数: 20

約数和(自身を含む): 321243384

約数和(自身を除く): 111319653

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 63211, 189633, 568899, 1706697, 2591651, 5120091, 7774953, 23324859, 69974577, 209923731]

約数ペア:

[(1, 209923731), (3, 69974577), (9, 23324859), (27, 7774953), (41, 5120091), (81, 2591651), (123, 1706697), (369, 568899), (1107, 189633), (3321, 63211)]