205459161

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2467}}^1$

素因数の和:2581

約数の個数: 32

約数和(自身を含む): 307058688

約数和(自身を除く): 101599527

約数列:

[1, 3, 17, 23, 51, 69, 71, 213, 391, 1173, 1207, 1633, 2467, 3621, 4899, 7401, 27761, 41939, 56741, 83283, 125817, 170223, 175157, 525471, 964597, 2893791, 2977669, 4028611, 8933007, 12085833, 68486387, 205459161]

約数ペア:

[(1, 205459161), (3, 68486387), (17, 12085833), (23, 8933007), (51, 4028611), (69, 2977669), (71, 2893791), (213, 964597), (391, 525471), (1173, 175157), (1207, 170223), (1633, 125817), (2467, 83283), (3621, 56741), (4899, 41939), (7401, 27761)]