15560831

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 19994688

約数和(自身を除く): 4433857

約数列:

[1, 11, 13, 17, 37, 143, 173, 187, 221, 407, 481, 629, 1903, 2249, 2431, 2941, 5291, 6401, 6919, 8177, 24739, 32351, 38233, 70411, 83213, 89947, 108817, 420563, 915343, 1196987, 1414621, 15560831]

約数ペア:

[(1, 15560831), (11, 1414621), (13, 1196987), (17, 915343), (37, 420563), (143, 108817), (173, 89947), (187, 83213), (221, 70411), (407, 38233), (481, 32351), (629, 24739), (1903, 8177), (2249, 6919), (2431, 6401), (2941, 5291)]