28421409

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{4157}}^1$

素因数の和:4256

約数の個数: 16

約数和(自身を含む): 39517632

約数和(自身を除く): 11096223

約数列:

[1, 3, 43, 53, 129, 159, 2279, 4157, 6837, 12471, 178751, 220321, 536253, 660963, 9473803, 28421409]

約数ペア:

[(1, 28421409), (3, 9473803), (43, 660963), (53, 536253), (129, 220321), (159, 178751), (2279, 12471), (4157, 6837)]