2947200309

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{686513}}^1$

素因数の和:686578

約数の個数: 20

約数和(自身を含む): 4485682476

約数和(自身を除く): 1538482167

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 686513, 2059539, 6178617, 18535851, 36385189, 55607553, 109155567, 327466701, 982400103, 2947200309]

約数ペア:

[(1, 2947200309), (3, 982400103), (9, 327466701), (27, 109155567), (53, 55607553), (81, 36385189), (159, 18535851), (477, 6178617), (1431, 2059539), (4293, 686513)]