28694985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173909}}^1$

素因数の和:173928

約数の個数: 16

約数和(自身を含む): 50086080

約数和(自身を除く): 21391095

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 173909, 521727, 869545, 1912999, 2608635, 5738997, 9564995, 28694985]

約数ペア:

[(1, 28694985), (3, 9564995), (5, 5738997), (11, 2608635), (15, 1912999), (33, 869545), (55, 521727), (165, 173909)]