47132721

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{18121}}^1$

素因数の和:18161

約数の個数: 18

約数和(自身を含む): 72324902

約数和(自身を除く): 25192181

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 18121, 54363, 163089, 308057, 924171, 2772513, 5236969, 15710907, 47132721]

約数ペア:

[(1, 47132721), (3, 15710907), (9, 5236969), (17, 2772513), (51, 924171), (153, 308057), (289, 163089), (867, 54363), (2601, 18121)]