1620565557

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^2\times {\mathrm{8243}}^1$

素因数の和:8401

約数の個数: 24

約数和(自身を含む): 2360488032

約数和(自身を除く): 739922475

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 5041, 8243, 15123, 24729, 65533, 107159, 196599, 321477, 585253, 1755759, 7608289, 22824867, 41552963, 124658889, 540188519, 1620565557]

約数ペア:

[(1, 1620565557), (3, 540188519), (13, 124658889), (39, 41552963), (71, 22824867), (213, 7608289), (923, 1755759), (2769, 585253), (5041, 321477), (8243, 196599), (15123, 107159), (24729, 65533)]