28934415

素因数分解:

$3^4\times 5^1\times {\mathrm{71443}}^1$

素因数の和:71460

約数の個数: 20

約数和(自身を含む): 51868344

約数和(自身を除く): 22933929

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 71443, 214329, 357215, 642987, 1071645, 1928961, 3214935, 5786883, 9644805, 28934415]

約数ペア:

[(1, 28934415), (3, 9644805), (5, 5786883), (9, 3214935), (15, 1928961), (27, 1071645), (45, 642987), (81, 357215), (135, 214329), (405, 71443)]