7620561

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{7237}}^1$

素因数の和:7262

約数の個数: 20

約数和(自身を含む): 12261172

約数和(自身を除く): 4640611

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 7237, 21711, 65133, 94081, 195399, 282243, 586197, 846729, 2540187, 7620561]

約数ペア:

[(1, 7620561), (3, 2540187), (9, 846729), (13, 586197), (27, 282243), (39, 195399), (81, 94081), (117, 65133), (351, 21711), (1053, 7237)]