15160821

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1759}}^1$

素因数の和:1805

約数の個数: 24

約数和(自身を含む): 23189760

約数和(自身を除く): 8028939

約数列:

[1, 3, 13, 17, 39, 51, 169, 221, 507, 663, 1759, 2873, 5277, 8619, 22867, 29903, 68601, 89709, 297271, 388739, 891813, 1166217, 5053607, 15160821]

約数ペア:

[(1, 15160821), (3, 5053607), (13, 1166217), (17, 891813), (39, 388739), (51, 297271), (169, 89709), (221, 68601), (507, 29903), (663, 22867), (1759, 8619), (2873, 5277)]