221445909

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{12889}}^1$

素因数の和:13001

約数の個数: 24

約数和(自身を含む): 337821120

約数和(自身を除く): 116375211

約数列:

[1, 3, 9, 23, 69, 83, 207, 249, 747, 1909, 5727, 12889, 17181, 38667, 116001, 296447, 889341, 1069787, 2668023, 3209361, 9628083, 24605101, 73815303, 221445909]

約数ペア:

[(1, 221445909), (3, 73815303), (9, 24605101), (23, 9628083), (69, 3209361), (83, 2668023), (207, 1069787), (249, 889341), (747, 296447), (1909, 116001), (5727, 38667), (12889, 17181)]