28291395

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{619}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 49639680

約数和(自身を除く): 21348285

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 277, 619, 831, 1385, 1857, 3047, 3095, 4155, 6809, 9141, 9285, 15235, 20427, 34045, 45705, 102135, 171463, 514389, 857315, 1886093, 2571945, 5658279, 9430465, 28291395]

約数ペア:

[(1, 28291395), (3, 9430465), (5, 5658279), (11, 2571945), (15, 1886093), (33, 857315), (55, 514389), (165, 171463), (277, 102135), (619, 45705), (831, 34045), (1385, 20427), (1857, 15235), (3047, 9285), (3095, 9141), (4155, 6809)]