87193017

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{21107}}^1$

素因数の和:21139

約数の個数: 24

約数和(自身を含む): 138299616

約数和(自身を除く): 51106599

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 21107, 63321, 189963, 358819, 569889, 1076457, 1709667, 3229371, 5129001, 9688113, 29064339, 87193017]

約数ペア:

[(1, 87193017), (3, 29064339), (9, 9688113), (17, 5129001), (27, 3229371), (51, 1709667), (81, 1076457), (153, 569889), (243, 358819), (459, 189963), (1377, 63321), (4131, 21107)]