39837681

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20029}}^1$

素因数の和:20065

約数の個数: 24

約数和(自身を含む): 65618280

約数和(自身を除く): 25780599

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 20029, 60087, 180261, 260377, 340493, 781131, 1021479, 2343393, 3064437, 4426409, 13279227, 39837681]

約数ペア:

[(1, 39837681), (3, 13279227), (9, 4426409), (13, 3064437), (17, 2343393), (39, 1021479), (51, 781131), (117, 340493), (153, 260377), (221, 180261), (663, 60087), (1989, 20029)]