20131471791

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{131578247}}^1$

素因数の和:131578270

約数の個数: 12

約数和(自身を含む): 30789310032

約数和(自身を除く): 10657838241

約数列:

[1, 3, 9, 17, 51, 153, 131578247, 394734741, 1184204223, 2236830199, 6710490597, 20131471791]

約数ペア:

[(1, 20131471791), (3, 6710490597), (9, 2236830199), (17, 1184204223), (51, 394734741), (153, 131578247)]