217139211

素因数分解:

$3^6\times {\mathrm{29}}^1\times {\mathrm{10271}}^1$

素因数の和:10318

約数の個数: 28

約数和(自身を含む): 336818880

約数和(自身を除く): 119679669

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 729, 783, 2349, 7047, 10271, 21141, 30813, 92439, 277317, 297859, 831951, 893577, 2495853, 2680731, 7487559, 8042193, 24126579, 72379737, 217139211]

約数ペア:

[(1, 217139211), (3, 72379737), (9, 24126579), (27, 8042193), (29, 7487559), (81, 2680731), (87, 2495853), (243, 893577), (261, 831951), (729, 297859), (783, 277317), (2349, 92439), (7047, 30813), (10271, 21141)]