51951681

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{2039}}^1$

素因数の和:2213

約数の個数: 24

約数和(自身を含む): 79560000

約数和(自身を除く): 27608319

約数列:

[1, 3, 9, 19, 57, 149, 171, 447, 1341, 2039, 2831, 6117, 8493, 18351, 25479, 38741, 116223, 303811, 348669, 911433, 2734299, 5772409, 17317227, 51951681]

約数ペア:

[(1, 51951681), (3, 17317227), (9, 5772409), (19, 2734299), (57, 911433), (149, 348669), (171, 303811), (447, 116223), (1341, 38741), (2039, 25479), (2831, 18351), (6117, 8493)]