31019913

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{641}}^1$

素因数の和:949

約数の個数: 24

約数和(自身を含む): 47405280

約数和(自身を除く): 16385367

約数列:

[1, 3, 9, 19, 57, 171, 283, 641, 849, 1923, 2547, 5377, 5769, 12179, 16131, 36537, 48393, 109611, 181403, 544209, 1632627, 3446657, 10339971, 31019913]

約数ペア:

[(1, 31019913), (3, 10339971), (9, 3446657), (19, 1632627), (57, 544209), (171, 181403), (283, 109611), (641, 48393), (849, 36537), (1923, 16131), (2547, 12179), (5377, 5769)]