28307889

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{379}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 42167840

約数和(自身を除く): 13859951

約数列:

[1, 3, 9, 43, 129, 193, 379, 387, 579, 1137, 1737, 3411, 8299, 16297, 24897, 48891, 73147, 74691, 146673, 219441, 658323, 3145321, 9435963, 28307889]

約数ペア:

[(1, 28307889), (3, 9435963), (9, 3145321), (43, 658323), (129, 219441), (193, 146673), (379, 74691), (387, 73147), (579, 48891), (1137, 24897), (1737, 16297), (3411, 8299)]