28217331

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4289}}^1$

素因数の和:4355

約数の個数: 24

約数和(自身を含む): 44169840

約数和(自身を除く): 15952509

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 4289, 6579, 12867, 38601, 72913, 184427, 218739, 553281, 656217, 1659843, 3135259, 9405777, 28217331]

約数ペア:

[(1, 28217331), (3, 9405777), (9, 3135259), (17, 1659843), (43, 656217), (51, 553281), (129, 218739), (153, 184427), (387, 72913), (731, 38601), (2193, 12867), (4289, 6579)]