135566721

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{52121}}^1$

素因数の和:52161

約数の個数: 18

約数和(自身を含む): 208018902

約数和(自身を除く): 72452181

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 52121, 156363, 469089, 886057, 2658171, 7974513, 15062969, 45188907, 135566721]

約数ペア:

[(1, 135566721), (3, 45188907), (9, 15062969), (17, 7974513), (51, 2658171), (153, 886057), (289, 469089), (867, 156363), (2601, 52121)]