278370837

素因数分解:

$3^6\times {\mathrm{381853}}^1$

素因数の和:381871

約数の個数: 14

約数和(自身を含む): 417366422

約数和(自身を除く): 138995585

約数列:

[1, 3, 9, 27, 81, 243, 729, 381853, 1145559, 3436677, 10310031, 30930093, 92790279, 278370837]

約数ペア:

[(1, 278370837), (3, 92790279), (9, 30930093), (27, 10310031), (81, 3436677), (243, 1145559), (729, 381853)]