39720861

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{4583}}^1$

素因数の和:4702

約数の個数: 20

約数和(自身を含む): 59903712

約数和(自身を除く): 20182851

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2889, 4583, 8667, 13749, 41247, 123741, 371223, 490381, 1471143, 4413429, 13240287, 39720861]

約数ペア:

[(1, 39720861), (3, 13240287), (9, 4413429), (27, 1471143), (81, 490381), (107, 371223), (321, 123741), (963, 41247), (2889, 13749), (4583, 8667)]