217470861

素因数分解:

$3^2\times {\mathrm{173}}^1\times {\mathrm{197}}^1\times {\mathrm{709}}^1$

素因数の和:1085

約数の個数: 24

約数和(自身を含む): 317991960

約数和(自身を除く): 100521099

約数列:

[1, 3, 9, 173, 197, 519, 591, 709, 1557, 1773, 2127, 6381, 34081, 102243, 122657, 139673, 306729, 367971, 419019, 1103913, 1257057, 24163429, 72490287, 217470861]

約数ペア:

[(1, 217470861), (3, 72490287), (9, 24163429), (173, 1257057), (197, 1103913), (519, 419019), (591, 367971), (709, 306729), (1557, 139673), (1773, 122657), (2127, 102243), (6381, 34081)]