681569499

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^2\times {\mathrm{709}}^1$

素因数の和:1039

約数の個数: 24

約数和(自身を含む): 986326320

約数和(自身を除く): 304756821

約数列:

[1, 3, 13, 39, 157, 471, 709, 2041, 2127, 6123, 9217, 24649, 27651, 73947, 111313, 320437, 333939, 961311, 1447069, 4341207, 17476141, 52428423, 227189833, 681569499]

約数ペア:

[(1, 681569499), (3, 227189833), (13, 52428423), (39, 17476141), (157, 4341207), (471, 1447069), (709, 961311), (2041, 333939), (2127, 320437), (6123, 111313), (9217, 73947), (24649, 27651)]