28199715

素因数分解:

$3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 46227456

約数和(自身を除く): 18027741

約数列:

[1, 3, 5, 15, 113, 127, 131, 339, 381, 393, 565, 635, 655, 1695, 1905, 1965, 14351, 14803, 16637, 43053, 44409, 49911, 71755, 74015, 83185, 215265, 222045, 249555, 1879981, 5639943, 9399905, 28199715]

約数ペア:

[(1, 28199715), (3, 9399905), (5, 5639943), (15, 1879981), (113, 249555), (127, 222045), (131, 215265), (339, 83185), (381, 74015), (393, 71755), (565, 49911), (635, 44409), (655, 43053), (1695, 16637), (1905, 14803), (1965, 14351)]