1620341739

素因数分解:

$3^7\times {\mathrm{740897}}^1$

素因数の和:740918

約数の個数: 16

約数和(自身を含む): 2430145440

約数和(自身を除く): 809803701

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 740897, 2222691, 6668073, 20004219, 60012657, 180037971, 540113913, 1620341739]

約数ペア:

[(1, 1620341739), (3, 540113913), (9, 180037971), (27, 60012657), (81, 20004219), (243, 6668073), (729, 2222691), (2187, 740897)]