31821127

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1051}}^1$

素因数の和:1218

約数の個数: 16

約数和(自身を含む): 36584352

約数和(自身を除く): 4763225

約数列:

[1, 13, 17, 137, 221, 1051, 1781, 2329, 13663, 17867, 30277, 143987, 232271, 1871831, 2447779, 31821127]

約数ペア:

[(1, 31821127), (13, 2447779), (17, 1871831), (137, 232271), (221, 143987), (1051, 30277), (1781, 17867), (2329, 13663)]