1225389

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:608

約数の個数: 16

約数和(自身を含む): 1810944

約数和(自身を除く): 585555

約数列:

[1, 3, 11, 33, 71, 213, 523, 781, 1569, 2343, 5753, 17259, 37133, 111399, 408463, 1225389]

約数ペア:

[(1, 1225389), (3, 408463), (11, 111399), (33, 37133), (71, 17259), (213, 5753), (523, 2343), (781, 1569)]