665280681

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{3727}}^1$

素因数の和:3965

約数の個数: 32

約数和(自身を含む): 1002086400

約数和(自身を除く): 336805719

約数列:

[1, 3, 13, 23, 39, 69, 199, 299, 597, 897, 2587, 3727, 4577, 7761, 11181, 13731, 48451, 59501, 85721, 145353, 178503, 257163, 741673, 1114373, 2225019, 3343119, 9641749, 17058479, 28925247, 51175437, 221760227, 665280681]

約数ペア:

[(1, 665280681), (3, 221760227), (13, 51175437), (23, 28925247), (39, 17058479), (69, 9641749), (199, 3343119), (299, 2225019), (597, 1114373), (897, 741673), (2587, 257163), (3727, 178503), (4577, 145353), (7761, 85721), (11181, 59501), (13731, 48451)]