278340219

素因数分解:

$3^6\times {\mathrm{173}}^1\times {\mathrm{2207}}^1$

素因数の和:2398

約数の個数: 28

約数和(自身を含む): 419921856

約数和(自身を除く): 141581637

約数列:

[1, 3, 9, 27, 81, 173, 243, 519, 729, 1557, 2207, 4671, 6621, 14013, 19863, 42039, 59589, 126117, 178767, 381811, 536301, 1145433, 1608903, 3436299, 10308897, 30926691, 92780073, 278340219]

約数ペア:

[(1, 278340219), (3, 92780073), (9, 30926691), (27, 10308897), (81, 3436299), (173, 1608903), (243, 1145433), (519, 536301), (729, 381811), (1557, 178767), (2207, 126117), (4671, 59589), (6621, 42039), (14013, 19863)]