31671289

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1031}}^1$

素因数の和:1200

約数の個数: 16

約数和(自身を含む): 36408960

約数和(自身を除く): 4737671

約数列:

[1, 13, 17, 139, 221, 1031, 1807, 2363, 13403, 17527, 30719, 143309, 227851, 1863017, 2436253, 31671289]

約数ペア:

[(1, 31671289), (13, 2436253), (17, 1863017), (139, 227851), (221, 143309), (1031, 30719), (1807, 17527), (2363, 13403)]