28108965

素因数分解:

$3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{5987}}^1$

素因数の和:6308

約数の個数: 16

約数和(自身を含む): 45125568

約数和(自身を除く): 17016603

約数列:

[1, 3, 5, 15, 313, 939, 1565, 4695, 5987, 17961, 29935, 89805, 1873931, 5621793, 9369655, 28108965]

約数ペア:

[(1, 28108965), (3, 9369655), (5, 5621793), (15, 1873931), (313, 89805), (939, 29935), (1565, 17961), (4695, 5987)]