256112667

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{98467}}^1$

素因数の和:98507

約数の個数: 18

約数和(自身を含む): 392985788

約数和(自身を除く): 136873121

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 98467, 295401, 886203, 1673939, 5021817, 15065451, 28456963, 85370889, 256112667]

約数ペア:

[(1, 256112667), (3, 85370889), (9, 28456963), (17, 15065451), (51, 5021817), (153, 1673939), (289, 886203), (867, 295401), (2601, 98467)]