209855327

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{251}}^1\times {\mathrm{263}}^1$

素因数の和:559

約数の個数: 24

約数和(自身を含む): 245089152

約数和(自身を除く): 35233825

約数列:

[1, 11, 17, 187, 251, 263, 289, 2761, 2893, 3179, 4267, 4471, 46937, 49181, 66013, 72539, 76007, 726143, 797929, 836077, 1122221, 12344431, 19077757, 209855327]

約数ペア:

[(1, 209855327), (11, 19077757), (17, 12344431), (187, 1122221), (251, 836077), (263, 797929), (289, 726143), (2761, 76007), (2893, 72539), (3179, 66013), (4267, 49181), (4471, 46937)]