28054515

素因数分解:

$3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{8387}}^1$

素因数の和:8618

約数の個数: 16

約数和(自身を含む): 45093888

約数和(自身を除く): 17039373

約数列:

[1, 3, 5, 15, 223, 669, 1115, 3345, 8387, 25161, 41935, 125805, 1870301, 5610903, 9351505, 28054515]

約数ペア:

[(1, 28054515), (3, 9351505), (5, 5610903), (15, 1870301), (223, 125805), (669, 41935), (1115, 25161), (3345, 8387)]